Home / 517,787,338.10-776,681,007.15-314,607,715.70

Finding the Fourth Proportional to 517,787,338.10, 776,681,007.15 and 314,607,715.70

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Solution

The fourth proportional to 517,787,338.10, 776,681,007.15 and 314,607,715.70 is: 471,911,573.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    517,787,338.10 : 776,681,007.15 = 314,607,715.70 : x
  2. Step 2: Convert to fraction form
    517,787,338.10/776,681,007.15 = 314,607,715.70/x
  3. Step 3: Cross multiply
    517,787,338.10x = 776,681,007.15 × 314,607,715.70
  4. Step 4: Simplify right side
    517,787,338.10x = 244,349,837,487,036,864
  5. Step 5: Solve for x
    x = 244,349,837,487,036,864/517,787,338.10
  6. Step 6: Final answer
    x = 471,911,573.55

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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.