Home / 423,608,151.87-635,048,315.77-147,223,460.79

Finding the Fourth Proportional to 423,608,151.87, 635,048,315.77 and 147,223,460.79

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Solution

The fourth proportional to 423,608,151.87, 635,048,315.77 and 147,223,460.79 is: 220,708,714.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,608,151.87 : 635,048,315.77 = 147,223,460.79 : x
  2. Step 2: Convert to fraction form
    423,608,151.87/635,048,315.77 = 147,223,460.79/x
  3. Step 3: Cross multiply
    423,608,151.87x = 635,048,315.77 × 147,223,460.79
  4. Step 4: Simplify right side
    423,608,151.87x = 93,494,010,812,608,768
  5. Step 5: Solve for x
    x = 93,494,010,812,608,768/423,608,151.87
  6. Step 6: Final answer
    x = 220,708,714.88

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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.