Home / 385,372,112.70-577,890,207.45-155,264,720.70

Finding the Fourth Proportional to 385,372,112.70, 577,890,207.45 and 155,264,720.70

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Solution

The fourth proportional to 385,372,112.70, 577,890,207.45 and 155,264,720.70 is: 232,829,410.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    385,372,112.70 : 577,890,207.45 = 155,264,720.70 : x
  2. Step 2: Convert to fraction form
    385,372,112.70/577,890,207.45 = 155,264,720.70/x
  3. Step 3: Cross multiply
    385,372,112.70x = 577,890,207.45 × 155,264,720.70
  4. Step 4: Simplify right side
    385,372,112.70x = 89,725,961,654,989,312
  5. Step 5: Solve for x
    x = 89,725,961,654,989,312/385,372,112.70
  6. Step 6: Final answer
    x = 232,829,410.06

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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.