Home / 20,187,421,878.30-30,281,132,817.45-13,575,445,532.70

Finding the Fourth Proportional to 20,187,421,878.30, 30,281,132,817.45 and 13,575,445,532.70

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Solution

The fourth proportional to 20,187,421,878.30, 30,281,132,817.45 and 13,575,445,532.70 is: 20,363,168,299.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,187,421,878.30 : 30,281,132,817.45 = 13,575,445,532.70 : x
  2. Step 2: Convert to fraction form
    20,187,421,878.30/30,281,132,817.45 = 13,575,445,532.70/x
  3. Step 3: Cross multiply
    20,187,421,878.30x = 30,281,132,817.45 × 13,575,445,532.70
  4. Step 4: Simplify right side
    20,187,421,878.30x = 411,079,869,231,746,973,696
  5. Step 5: Solve for x
    x = 411,079,869,231,746,973,696/20,187,421,878.30
  6. Step 6: Final answer
    x = 20,363,168,299.05

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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.