Home / 18,720,171,440.90-28,062,679,453.97-6,289,808,966.18

Finding the Fourth Proportional to 18,720,171,440.90, 28,062,679,453.97 and 6,289,808,966.18

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Solution

The fourth proportional to 18,720,171,440.90, 28,062,679,453.97 and 6,289,808,966.18 is: 9,428,807,497.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,720,171,440.90 : 28,062,679,453.97 = 6,289,808,966.18 : x
  2. Step 2: Convert to fraction form
    18,720,171,440.90/28,062,679,453.97 = 6,289,808,966.18/x
  3. Step 3: Cross multiply
    18,720,171,440.90x = 28,062,679,453.97 × 6,289,808,966.18
  4. Step 4: Simplify right side
    18,720,171,440.90x = 176,508,892,844,550,651,904
  5. Step 5: Solve for x
    x = 176,508,892,844,550,651,904/18,720,171,440.90
  6. Step 6: Final answer
    x = 9,428,807,497.93

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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.