Home / 20,160,577,590.40-30,240,866,385.60-13,194,874,115.20

Finding the Fourth Proportional to 20,160,577,590.40, 30,240,866,385.60 and 13,194,874,115.20

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Solution

The fourth proportional to 20,160,577,590.40, 30,240,866,385.60 and 13,194,874,115.20 is: 19,792,311,172.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,160,577,590.40 : 30,240,866,385.60 = 13,194,874,115.20 : x
  2. Step 2: Convert to fraction form
    20,160,577,590.40/30,240,866,385.60 = 13,194,874,115.20/x
  3. Step 3: Cross multiply
    20,160,577,590.40x = 30,240,866,385.60 × 13,194,874,115.20
  4. Step 4: Simplify right side
    20,160,577,590.40x = 399,024,425,092,575,199,232
  5. Step 5: Solve for x
    x = 399,024,425,092,575,199,232/20,160,577,590.40
  6. Step 6: Final answer
    x = 19,792,311,172.80

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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.