Home / 1,077,683,417.40-1,616,525,126.10-690,262,928.40

Finding the Fourth Proportional to 1,077,683,417.40, 1,616,525,126.10 and 690,262,928.40

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Solution

The fourth proportional to 1,077,683,417.40, 1,616,525,126.10 and 690,262,928.40 is: 1,035,394,392.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,077,683,417.40 : 1,616,525,126.10 = 690,262,928.40 : x
  2. Step 2: Convert to fraction form
    1,077,683,417.40/1,616,525,126.10 = 690,262,928.40/x
  3. Step 3: Cross multiply
    1,077,683,417.40x = 1,616,525,126.10 × 690,262,928.40
  4. Step 4: Simplify right side
    1,077,683,417.40x = 1,115,827,367,373,965,184
  5. Step 5: Solve for x
    x = 1,115,827,367,373,965,184/1,077,683,417.40
  6. Step 6: Final answer
    x = 1,035,394,392.60

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Half scale
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Double scale
Find fourth proportional to 1,077,683,418.40, 1,616,525,127.60 and 690,262,929.40
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.