Home / 466,011,747.15-643,109,845.24-254,332,154.71

Finding the Fourth Proportional to 466,011,747.15, 643,109,845.24 and 254,332,154.71

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Solution

The fourth proportional to 466,011,747.15, 643,109,845.24 and 254,332,154.71 is: 350,985,814.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    466,011,747.15 : 643,109,845.24 = 254,332,154.71 : x
  2. Step 2: Convert to fraction form
    466,011,747.15/643,109,845.24 = 254,332,154.71/x
  3. Step 3: Cross multiply
    466,011,747.15x = 643,109,845.24 × 254,332,154.71
  4. Step 4: Simplify right side
    466,011,747.15x = 163,563,512,655,103,840
  5. Step 5: Solve for x
    x = 163,563,512,655,103,840/466,011,747.15
  6. Step 6: Final answer
    x = 350,985,814.53

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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.