Home / 916,396,373.55-1,264,893,480.72-598,904,380.38

Finding the Fourth Proportional to 916,396,373.55, 1,264,893,480.72 and 598,904,380.38

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Solution

The fourth proportional to 916,396,373.55, 1,264,893,480.72 and 598,904,380.38 is: 826,662,204.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    916,396,373.55 : 1,264,893,480.72 = 598,904,380.38 : x
  2. Step 2: Convert to fraction form
    916,396,373.55/1,264,893,480.72 = 598,904,380.38/x
  3. Step 3: Cross multiply
    916,396,373.55x = 1,264,893,480.72 × 598,904,380.38
  4. Step 4: Simplify right side
    916,396,373.55x = 757,550,246,317,313,024
  5. Step 5: Solve for x
    x = 757,550,246,317,313,024/916,396,373.55
  6. Step 6: Final answer
    x = 826,662,204.46

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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.