Home / 487,518,400.81-731,333,089.35-176,772,373.71

Finding the Fourth Proportional to 487,518,400.81, 731,333,089.35 and 176,772,373.71

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Solution

The fourth proportional to 487,518,400.81, 731,333,089.35 and 176,772,373.71 is: 265,178,680.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    487,518,400.81 : 731,333,089.35 = 176,772,373.71 : x
  2. Step 2: Convert to fraction form
    487,518,400.81/731,333,089.35 = 176,772,373.71/x
  3. Step 3: Cross multiply
    487,518,400.81x = 731,333,089.35 × 176,772,373.71
  4. Step 4: Simplify right side
    487,518,400.81x = 129,279,486,177,067,024
  5. Step 5: Solve for x
    x = 129,279,486,177,067,024/487,518,400.81
  6. Step 6: Final answer
    x = 265,178,680.36

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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.