Home / 411,828,019.62-619,968,478.20-375,175,468.86

Finding the Fourth Proportional to 411,828,019.62, 619,968,478.20 and 375,175,468.86

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Solution

The fourth proportional to 411,828,019.62, 619,968,478.20 and 375,175,468.86 is: 564,791,498.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    411,828,019.62 : 619,968,478.20 = 375,175,468.86 : x
  2. Step 2: Convert to fraction form
    411,828,019.62/619,968,478.20 = 375,175,468.86/x
  3. Step 3: Cross multiply
    411,828,019.62x = 619,968,478.20 × 375,175,468.86
  4. Step 4: Simplify right side
    411,828,019.62x = 232,596,964,487,105,728
  5. Step 5: Solve for x
    x = 232,596,964,487,105,728/411,828,019.62
  6. Step 6: Final answer
    x = 564,791,498.89

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.