Home / 12,934,656,561.60-19,401,984,842.40-7,057,344,254.40

Finding the Fourth Proportional to 12,934,656,561.60, 19,401,984,842.40 and 7,057,344,254.40

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Solution

The fourth proportional to 12,934,656,561.60, 19,401,984,842.40 and 7,057,344,254.40 is: 10,586,016,381.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,934,656,561.60 : 19,401,984,842.40 = 7,057,344,254.40 : x
  2. Step 2: Convert to fraction form
    12,934,656,561.60/19,401,984,842.40 = 7,057,344,254.40/x
  3. Step 3: Cross multiply
    12,934,656,561.60x = 19,401,984,842.40 × 7,057,344,254.40
  4. Step 4: Simplify right side
    12,934,656,561.60x = 136,926,486,251,467,538,432
  5. Step 5: Solve for x
    x = 136,926,486,251,467,538,432/12,934,656,561.60
  6. Step 6: Final answer
    x = 10,586,016,381.60

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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.