Home / 426,351,902,574.42-639,532,766,722.92-154,096,828,088.21

Finding the Fourth Proportional to 426,351,902,574.42, 639,532,766,722.92 and 154,096,828,088.21

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Solution

The fourth proportional to 426,351,902,574.42, 639,532,766,722.92 and 154,096,828,088.21 is: 231,147,017,793.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,351,902,574.42 : 639,532,766,722.92 = 154,096,828,088.21 : x
  2. Step 2: Convert to fraction form
    426,351,902,574.42/639,532,766,722.92 = 154,096,828,088.21/x
  3. Step 3: Cross multiply
    426,351,902,574.42x = 639,532,766,722.92 × 154,096,828,088.21
  4. Step 4: Simplify right side
    426,351,902,574.42x = 98,549,970,810,479,105,277,952
  5. Step 5: Solve for x
    x = 98,549,970,810,479,105,277,952/426,351,902,574.42
  6. Step 6: Final answer
    x = 231,147,017,793.07

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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.