Home / 20,187,421,570.80-30,281,132,356.20-13,575,445,225.20

Finding the Fourth Proportional to 20,187,421,570.80, 30,281,132,356.20 and 13,575,445,225.20

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Solution

The fourth proportional to 20,187,421,570.80, 30,281,132,356.20 and 13,575,445,225.20 is: 20,363,167,837.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,187,421,570.80 : 30,281,132,356.20 = 13,575,445,225.20 : x
  2. Step 2: Convert to fraction form
    20,187,421,570.80/30,281,132,356.20 = 13,575,445,225.20/x
  3. Step 3: Cross multiply
    20,187,421,570.80x = 30,281,132,356.20 × 13,575,445,225.20
  4. Step 4: Simplify right side
    20,187,421,570.80x = 411,079,853,658,624,557,056
  5. Step 5: Solve for x
    x = 411,079,853,658,624,557,056/20,187,421,570.80
  6. Step 6: Final answer
    x = 20,363,167,837.80

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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.