Home / 487,152,794.30-730,692,444.86-155,146,387.22

Finding the Fourth Proportional to 487,152,794.30, 730,692,444.86 and 155,146,387.22

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Solution

The fourth proportional to 487,152,794.30, 730,692,444.86 and 155,146,387.22 is: 232,707,877.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    487,152,794.30 : 730,692,444.86 = 155,146,387.22 : x
  2. Step 2: Convert to fraction form
    487,152,794.30/730,692,444.86 = 155,146,387.22/x
  3. Step 3: Cross multiply
    487,152,794.30x = 730,692,444.86 × 155,146,387.22
  4. Step 4: Simplify right side
    487,152,794.30x = 113,364,292,988,978,064
  5. Step 5: Solve for x
    x = 113,364,292,988,978,064/487,152,794.30
  6. Step 6: Final answer
    x = 232,707,877.93

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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.