Home / 42,349,864,042.80-63,527,184,851.40-12,906,867,409.20

Finding the Fourth Proportional to 42,349,864,042.80, 63,527,184,851.40 and 12,906,867,409.20

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Solution

The fourth proportional to 42,349,864,042.80, 63,527,184,851.40 and 12,906,867,409.20 is: 19,361,029,138.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,349,864,042.80 : 63,527,184,851.40 = 12,906,867,409.20 : x
  2. Step 2: Convert to fraction form
    42,349,864,042.80/63,527,184,851.40 = 12,906,867,409.20/x
  3. Step 3: Cross multiply
    42,349,864,042.80x = 63,527,184,851.40 × 12,906,867,409.20
  4. Step 4: Simplify right side
    42,349,864,042.80x = 819,936,951,756,758,712,320
  5. Step 5: Solve for x
    x = 819,936,951,756,758,712,320/42,349,864,042.80
  6. Step 6: Final answer
    x = 19,361,029,138.80

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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.