Home / 513,541,011.85-770,809,639.28-247,833,713.17

Finding the Fourth Proportional to 513,541,011.85, 770,809,639.28 and 247,833,713.17

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Solution

The fourth proportional to 513,541,011.85, 770,809,639.28 and 247,833,713.17 is: 371,990,962.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    513,541,011.85 : 770,809,639.28 = 247,833,713.17 : x
  2. Step 2: Convert to fraction form
    513,541,011.85/770,809,639.28 = 247,833,713.17/x
  3. Step 3: Cross multiply
    513,541,011.85x = 770,809,639.28 × 247,833,713.17
  4. Step 4: Simplify right side
    513,541,011.85x = 191,032,615,044,897,472
  5. Step 5: Solve for x
    x = 191,032,615,044,897,472/513,541,011.85
  6. Step 6: Final answer
    x = 371,990,962.04

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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.