Home / 466,011,748.15-643,109,846.62-254,332,155.71

Finding the Fourth Proportional to 466,011,748.15, 643,109,846.62 and 254,332,155.71

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Solution

The fourth proportional to 466,011,748.15, 643,109,846.62 and 254,332,155.71 is: 350,985,815.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    466,011,748.15 : 643,109,846.62 = 254,332,155.71 : x
  2. Step 2: Convert to fraction form
    466,011,748.15/643,109,846.62 = 254,332,155.71/x
  3. Step 3: Cross multiply
    466,011,748.15x = 643,109,846.62 × 254,332,155.71
  4. Step 4: Simplify right side
    466,011,748.15x = 163,563,513,649,192,064
  5. Step 5: Solve for x
    x = 163,563,513,649,192,064/466,011,748.15
  6. Step 6: Final answer
    x = 350,985,815.91

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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.