Home / 1,102,284,672.90-1,653,427,009.35-830,186,880.90

Finding the Fourth Proportional to 1,102,284,672.90, 1,653,427,009.35 and 830,186,880.90

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Solution

The fourth proportional to 1,102,284,672.90, 1,653,427,009.35 and 830,186,880.90 is: 1,245,280,321.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,102,284,672.90 : 1,653,427,009.35 = 830,186,880.90 : x
  2. Step 2: Convert to fraction form
    1,102,284,672.90/1,653,427,009.35 = 830,186,880.90/x
  3. Step 3: Cross multiply
    1,102,284,672.90x = 1,653,427,009.35 × 830,186,880.90
  4. Step 4: Simplify right side
    1,102,284,672.90x = 1,372,653,411,688,091,392
  5. Step 5: Solve for x
    x = 1,372,653,411,688,091,392/1,102,284,672.90
  6. Step 6: Final answer
    x = 1,245,280,321.35

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Half scale
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Double scale
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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.