Home / 42,248,942,730.40-63,373,414,095.60-12,801,159,191.20

Finding the Fourth Proportional to 42,248,942,730.40, 63,373,414,095.60 and 12,801,159,191.20

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Solution

The fourth proportional to 42,248,942,730.40, 63,373,414,095.60 and 12,801,159,191.20 is: 19,201,738,786.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,248,942,730.40 : 63,373,414,095.60 = 12,801,159,191.20 : x
  2. Step 2: Convert to fraction form
    42,248,942,730.40/63,373,414,095.60 = 12,801,159,191.20/x
  3. Step 3: Cross multiply
    42,248,942,730.40x = 63,373,414,095.60 × 12,801,159,191.20
  4. Step 4: Simplify right side
    42,248,942,730.40x = 811,253,162,327,613,636,608
  5. Step 5: Solve for x
    x = 811,253,162,327,613,636,608/42,248,942,730.40
  6. Step 6: Final answer
    x = 19,201,738,786.80

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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.