Home / 207,013,431,498.30-310,520,147,247.45-136,347,934,304.70

Finding the Fourth Proportional to 207,013,431,498.30, 310,520,147,247.45 and 136,347,934,304.70

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Solution

The fourth proportional to 207,013,431,498.30, 310,520,147,247.45 and 136,347,934,304.70 is: 204,521,901,457.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,013,431,498.30 : 310,520,147,247.45 = 136,347,934,304.70 : x
  2. Step 2: Convert to fraction form
    207,013,431,498.30/310,520,147,247.45 = 136,347,934,304.70/x
  3. Step 3: Cross multiply
    207,013,431,498.30x = 310,520,147,247.45 × 136,347,934,304.70
  4. Step 4: Simplify right side
    207,013,431,498.30x = 42,338,780,637,181,079,715,840
  5. Step 5: Solve for x
    x = 42,338,780,637,181,079,715,840/207,013,431,498.30
  6. Step 6: Final answer
    x = 204,521,901,457.05

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1.5x scale

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.