Home / 20,078,520,123.60-30,117,780,185.40-17,874,528,008.40

Finding the Fourth Proportional to 20,078,520,123.60, 30,117,780,185.40 and 17,874,528,008.40

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Solution

The fourth proportional to 20,078,520,123.60, 30,117,780,185.40 and 17,874,528,008.40 is: 26,811,792,012.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,078,520,123.60 : 30,117,780,185.40 = 17,874,528,008.40 : x
  2. Step 2: Convert to fraction form
    20,078,520,123.60/30,117,780,185.40 = 17,874,528,008.40/x
  3. Step 3: Cross multiply
    20,078,520,123.60x = 30,117,780,185.40 × 17,874,528,008.40
  4. Step 4: Simplify right side
    20,078,520,123.60x = 538,341,105,474,766,897,152
  5. Step 5: Solve for x
    x = 538,341,105,474,766,897,152/20,078,520,123.60
  6. Step 6: Final answer
    x = 26,811,792,012.60

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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.