Home / 1,158,721,520.90-1,598,987,042.78-656,964,068.04

Finding the Fourth Proportional to 1,158,721,520.90, 1,598,987,042.78 and 656,964,068.04

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Solution

The fourth proportional to 1,158,721,520.90, 1,598,987,042.78 and 656,964,068.04 is: 906,582,827.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,158,721,520.90 : 1,598,987,042.78 = 656,964,068.04 : x
  2. Step 2: Convert to fraction form
    1,158,721,520.90/1,598,987,042.78 = 656,964,068.04/x
  3. Step 3: Cross multiply
    1,158,721,520.90x = 1,598,987,042.78 × 656,964,068.04
  4. Step 4: Simplify right side
    1,158,721,520.90x = 1,050,477,032,364,713,472
  5. Step 5: Solve for x
    x = 1,050,477,032,364,713,472/1,158,721,520.90
  6. Step 6: Final answer
    x = 906,582,827.21

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Double scale
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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.