Home / 487,442,395.20-730,697,551.20-180,652,238.40

Finding the Fourth Proportional to 487,442,395.20, 730,697,551.20 and 180,652,238.40

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Solution

The fourth proportional to 487,442,395.20, 730,697,551.20 and 180,652,238.40 is: 270,805,636.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    487,442,395.20 : 730,697,551.20 = 180,652,238.40 : x
  2. Step 2: Convert to fraction form
    487,442,395.20/730,697,551.20 = 180,652,238.40/x
  3. Step 3: Cross multiply
    487,442,395.20x = 730,697,551.20 × 180,652,238.40
  4. Step 4: Simplify right side
    487,442,395.20x = 132,002,148,217,678,624
  5. Step 5: Solve for x
    x = 132,002,148,217,678,624/487,442,395.20
  6. Step 6: Final answer
    x = 270,805,636.76

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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.