Home / 472,781,248.38-709,448,222.76-341,494,063.74

Finding the Fourth Proportional to 472,781,248.38, 709,448,222.76 and 341,494,063.74

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Solution

The fourth proportional to 472,781,248.38, 709,448,222.76 and 341,494,063.74 is: 512,440,705.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,781,248.38 : 709,448,222.76 = 341,494,063.74 : x
  2. Step 2: Convert to fraction form
    472,781,248.38/709,448,222.76 = 341,494,063.74/x
  3. Step 3: Cross multiply
    472,781,248.38x = 709,448,222.76 × 341,494,063.74
  4. Step 4: Simplify right side
    472,781,248.38x = 242,272,356,603,433,152
  5. Step 5: Solve for x
    x = 242,272,356,603,433,152/472,781,248.38
  6. Step 6: Final answer
    x = 512,440,705.79

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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.