Home / 20,269,987,225.44-30,365,397,931.68-9,631,071,421.44

Finding the Fourth Proportional to 20,269,987,225.44, 30,365,397,931.68 and 9,631,071,421.44

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Solution

The fourth proportional to 20,269,987,225.44, 30,365,397,931.68 and 9,631,071,421.44 is: 14,427,799,730.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,269,987,225.44 : 30,365,397,931.68 = 9,631,071,421.44 : x
  2. Step 2: Convert to fraction form
    20,269,987,225.44/30,365,397,931.68 = 9,631,071,421.44/x
  3. Step 3: Cross multiply
    20,269,987,225.44x = 30,365,397,931.68 × 9,631,071,421.44
  4. Step 4: Simplify right side
    20,269,987,225.44x = 292,451,316,220,456,566,784
  5. Step 5: Solve for x
    x = 292,451,316,220,456,566,784/20,269,987,225.44
  6. Step 6: Final answer
    x = 14,427,799,730.11

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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.