Home / 12,819,482,234.19-17,690,989,355.24-7,103,862,133.11

Finding the Fourth Proportional to 12,819,482,234.19, 17,690,989,355.24 and 7,103,862,133.11

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Solution

The fourth proportional to 12,819,482,234.19, 17,690,989,355.24 and 7,103,862,133.11 is: 9,803,387,303.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,819,482,234.19 : 17,690,989,355.24 = 7,103,862,133.11 : x
  2. Step 2: Convert to fraction form
    12,819,482,234.19/17,690,989,355.24 = 7,103,862,133.11/x
  3. Step 3: Cross multiply
    12,819,482,234.19x = 17,690,989,355.24 × 7,103,862,133.11
  4. Step 4: Simplify right side
    12,819,482,234.19x = 125,674,349,377,906,016,256
  5. Step 5: Solve for x
    x = 125,674,349,377,906,016,256/12,819,482,234.19
  6. Step 6: Final answer
    x = 9,803,387,303.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.