Home / 10,040,707,121.40-15,061,060,682.10-9,428,487,089.40

Finding the Fourth Proportional to 10,040,707,121.40, 15,061,060,682.10 and 9,428,487,089.40

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Solution

The fourth proportional to 10,040,707,121.40, 15,061,060,682.10 and 9,428,487,089.40 is: 14,142,730,634.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,040,707,121.40 : 15,061,060,682.10 = 9,428,487,089.40 : x
  2. Step 2: Convert to fraction form
    10,040,707,121.40/15,061,060,682.10 = 9,428,487,089.40/x
  3. Step 3: Cross multiply
    10,040,707,121.40x = 15,061,060,682.10 × 9,428,487,089.40
  4. Step 4: Simplify right side
    10,040,707,121.40x = 142,003,016,193,849,802,752
  5. Step 5: Solve for x
    x = 142,003,016,193,849,802,752/10,040,707,121.40
  6. Step 6: Final answer
    x = 14,142,730,634.10

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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.