Home / 40,697,862,451.60-61,046,793,677.40-12,751,440,998.80

Finding the Fourth Proportional to 40,697,862,451.60, 61,046,793,677.40 and 12,751,440,998.80

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Solution

The fourth proportional to 40,697,862,451.60, 61,046,793,677.40 and 12,751,440,998.80 is: 19,127,161,498.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,697,862,451.60 : 61,046,793,677.40 = 12,751,440,998.80 : x
  2. Step 2: Convert to fraction form
    40,697,862,451.60/61,046,793,677.40 = 12,751,440,998.80/x
  3. Step 3: Cross multiply
    40,697,862,451.60x = 61,046,793,677.40 × 12,751,440,998.80
  4. Step 4: Simplify right side
    40,697,862,451.60x = 778,434,587,743,282,921,472
  5. Step 5: Solve for x
    x = 778,434,587,743,282,921,472/40,697,862,451.60
  6. Step 6: Final answer
    x = 19,127,161,498.20

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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.