Home / 470,429,685.44-649,274,223.88-272,300,422.92

Finding the Fourth Proportional to 470,429,685.44, 649,274,223.88 and 272,300,422.92

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Solution

The fourth proportional to 470,429,685.44, 649,274,223.88 and 272,300,422.92 is: 375,821,618.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,429,685.44 : 649,274,223.88 = 272,300,422.92 : x
  2. Step 2: Convert to fraction form
    470,429,685.44/649,274,223.88 = 272,300,422.92/x
  3. Step 3: Cross multiply
    470,429,685.44x = 649,274,223.88 × 272,300,422.92
  4. Step 4: Simplify right side
    470,429,685.44x = 176,797,645,753,578,784
  5. Step 5: Solve for x
    x = 176,797,645,753,578,784/470,429,685.44
  6. Step 6: Final answer
    x = 375,821,618.46

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.