Home / 15,840,909,617.70-23,761,364,426.55-7,977,283,428.90

Finding the Fourth Proportional to 15,840,909,617.70, 23,761,364,426.55 and 7,977,283,428.90

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Solution

The fourth proportional to 15,840,909,617.70, 23,761,364,426.55 and 7,977,283,428.90 is: 11,965,925,143.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,840,909,617.70 : 23,761,364,426.55 = 7,977,283,428.90 : x
  2. Step 2: Convert to fraction form
    15,840,909,617.70/23,761,364,426.55 = 7,977,283,428.90/x
  3. Step 3: Cross multiply
    15,840,909,617.70x = 23,761,364,426.55 × 7,977,283,428.90
  4. Step 4: Simplify right side
    15,840,909,617.70x = 189,551,138,687,971,262,464
  5. Step 5: Solve for x
    x = 189,551,138,687,971,262,464/15,840,909,617.70
  6. Step 6: Final answer
    x = 11,965,925,143.35

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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.