Home / 877,719,066.05-1,316,377,130.38-523,293,635.86

Finding the Fourth Proportional to 877,719,066.05, 1,316,377,130.38 and 523,293,635.86

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Solution

The fourth proportional to 877,719,066.05, 1,316,377,130.38 and 523,293,635.86 is: 784,820,338.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,719,066.05 : 1,316,377,130.38 = 523,293,635.86 : x
  2. Step 2: Convert to fraction form
    877,719,066.05/1,316,377,130.38 = 523,293,635.86/x
  3. Step 3: Cross multiply
    877,719,066.05x = 1,316,377,130.38 × 523,293,635.86
  4. Step 4: Simplify right side
    877,719,066.05x = 688,851,774,714,904,320
  5. Step 5: Solve for x
    x = 688,851,774,714,904,320/877,719,066.05
  6. Step 6: Final answer
    x = 784,820,338.71

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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.