Home / 15,840,909,607.20-23,761,364,410.80-7,977,283,418.40

Finding the Fourth Proportional to 15,840,909,607.20, 23,761,364,410.80 and 7,977,283,418.40

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Solution

The fourth proportional to 15,840,909,607.20, 23,761,364,410.80 and 7,977,283,418.40 is: 11,965,925,127.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,840,909,607.20 : 23,761,364,410.80 = 7,977,283,418.40 : x
  2. Step 2: Convert to fraction form
    15,840,909,607.20/23,761,364,410.80 = 7,977,283,418.40/x
  3. Step 3: Cross multiply
    15,840,909,607.20x = 23,761,364,410.80 × 7,977,283,418.40
  4. Step 4: Simplify right side
    15,840,909,607.20x = 189,551,138,312,834,711,552
  5. Step 5: Solve for x
    x = 189,551,138,312,834,711,552/15,840,909,607.20
  6. Step 6: Final answer
    x = 11,965,925,127.60

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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.