Home / 1,031,284,928.27-1,423,173,354.54-561,389,816.45

Finding the Fourth Proportional to 1,031,284,928.27, 1,423,173,354.54 and 561,389,816.45

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Solution

The fourth proportional to 1,031,284,928.27, 1,423,173,354.54 and 561,389,816.45 is: 774,718,030.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,031,284,928.27 : 1,423,173,354.54 = 561,389,816.45 : x
  2. Step 2: Convert to fraction form
    1,031,284,928.27/1,423,173,354.54 = 561,389,816.45/x
  3. Step 3: Cross multiply
    1,031,284,928.27x = 1,423,173,354.54 × 561,389,816.45
  4. Step 4: Simplify right side
    1,031,284,928.27x = 798,955,028,281,741,440
  5. Step 5: Solve for x
    x = 798,955,028,281,741,440/1,031,284,928.27
  6. Step 6: Final answer
    x = 774,718,030.28

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Half scale
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Double scale
Find fourth proportional to 1,031,284,929.27, 1,423,173,355.92 and 561,389,817.45
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.