Home / 385,372,111.20-577,890,205.20-155,264,719.20

Finding the Fourth Proportional to 385,372,111.20, 577,890,205.20 and 155,264,719.20

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Solution

The fourth proportional to 385,372,111.20, 577,890,205.20 and 155,264,719.20 is: 232,829,407.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    385,372,111.20 : 577,890,205.20 = 155,264,719.20 : x
  2. Step 2: Convert to fraction form
    385,372,111.20/577,890,205.20 = 155,264,719.20/x
  3. Step 3: Cross multiply
    385,372,111.20x = 577,890,205.20 × 155,264,719.20
  4. Step 4: Simplify right side
    385,372,111.20x = 89,725,960,438,808,384
  5. Step 5: Solve for x
    x = 89,725,960,438,808,384/385,372,111.20
  6. Step 6: Final answer
    x = 232,829,407.81

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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.