Home / 472,780,378.06-652,611,022.14-284,617,417.78

Finding the Fourth Proportional to 472,780,378.06, 652,611,022.14 and 284,617,417.78

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Solution

The fourth proportional to 472,780,378.06, 652,611,022.14 and 284,617,417.78 is: 392,876,846.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,780,378.06 : 652,611,022.14 = 284,617,417.78 : x
  2. Step 2: Convert to fraction form
    472,780,378.06/652,611,022.14 = 284,617,417.78/x
  3. Step 3: Cross multiply
    472,780,378.06x = 652,611,022.14 × 284,617,417.78
  4. Step 4: Simplify right side
    472,780,378.06x = 185,744,463,936,253,184
  5. Step 5: Solve for x
    x = 185,744,463,936,253,184/472,780,378.06
  6. Step 6: Final answer
    x = 392,876,846.32

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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.