Home / 40,308,960,489.80-55,627,701,503.11-21,999,020,717.41

Finding the Fourth Proportional to 40,308,960,489.80, 55,627,701,503.11 and 21,999,020,717.41

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Solution

The fourth proportional to 40,308,960,489.80, 55,627,701,503.11 and 21,999,020,717.41 is: 30,359,377,740.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,308,960,489.80 : 55,627,701,503.11 = 21,999,020,717.41 : x
  2. Step 2: Convert to fraction form
    40,308,960,489.80/55,627,701,503.11 = 21,999,020,717.41/x
  3. Step 3: Cross multiply
    40,308,960,489.80x = 55,627,701,503.11 × 21,999,020,717.41
  4. Step 4: Simplify right side
    40,308,960,489.80x = 1,223,754,957,828,816,371,712
  5. Step 5: Solve for x
    x = 1,223,754,957,828,816,371,712/40,308,960,489.80
  6. Step 6: Final answer
    x = 30,359,377,740.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.