Home / 19,131,921,003.60-28,697,881,505.40-9,336,400,491.60

Finding the Fourth Proportional to 19,131,921,003.60, 28,697,881,505.40 and 9,336,400,491.60

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Solution

The fourth proportional to 19,131,921,003.60, 28,697,881,505.40 and 9,336,400,491.60 is: 14,004,600,737.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,131,921,003.60 : 28,697,881,505.40 = 9,336,400,491.60 : x
  2. Step 2: Convert to fraction form
    19,131,921,003.60/28,697,881,505.40 = 9,336,400,491.60/x
  3. Step 3: Cross multiply
    19,131,921,003.60x = 28,697,881,505.40 × 9,336,400,491.60
  4. Step 4: Simplify right side
    19,131,921,003.60x = 267,934,914,994,895,126,528
  5. Step 5: Solve for x
    x = 267,934,914,994,895,126,528/19,131,921,003.60
  6. Step 6: Final answer
    x = 14,004,600,737.40

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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.