Home / 407,400,306.30-611,100,459.45-148,623,968.70

Finding the Fourth Proportional to 407,400,306.30, 611,100,459.45 and 148,623,968.70

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Solution

The fourth proportional to 407,400,306.30, 611,100,459.45 and 148,623,968.70 is: 222,935,953.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,400,306.30 : 611,100,459.45 = 148,623,968.70 : x
  2. Step 2: Convert to fraction form
    407,400,306.30/611,100,459.45 = 148,623,968.70/x
  3. Step 3: Cross multiply
    407,400,306.30x = 611,100,459.45 × 148,623,968.70
  4. Step 4: Simplify right side
    407,400,306.30x = 90,824,175,557,852,416
  5. Step 5: Solve for x
    x = 90,824,175,557,852,416/407,400,306.30
  6. Step 6: Final answer
    x = 222,935,953.05

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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.