Home / 12,819,482,294.16-17,690,989,438.11-7,103,862,193.19

Finding the Fourth Proportional to 12,819,482,294.16, 17,690,989,438.11 and 7,103,862,193.19

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Solution

The fourth proportional to 12,819,482,294.16, 17,690,989,438.11 and 7,103,862,193.19 is: 9,803,387,386.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,819,482,294.16 : 17,690,989,438.11 = 7,103,862,193.19 : x
  2. Step 2: Convert to fraction form
    12,819,482,294.16/17,690,989,438.11 = 7,103,862,193.19/x
  3. Step 3: Cross multiply
    12,819,482,294.16x = 17,690,989,438.11 × 7,103,862,193.19
  4. Step 4: Simplify right side
    12,819,482,294.16x = 125,674,351,029,446,082,560
  5. Step 5: Solve for x
    x = 125,674,351,029,446,082,560/12,819,482,294.16
  6. Step 6: Final answer
    x = 9,803,387,386.92

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Double scale
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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.