Home / 35,677,482,776.66-49,236,220,685.94-20,438,519,792.48

Finding the Fourth Proportional to 35,677,482,776.66, 49,236,220,685.94 and 20,438,519,792.48

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Solution

The fourth proportional to 35,677,482,776.66, 49,236,220,685.94 and 20,438,519,792.48 is: 28,205,898,866.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,677,482,776.66 : 49,236,220,685.94 = 20,438,519,792.48 : x
  2. Step 2: Convert to fraction form
    35,677,482,776.66/49,236,220,685.94 = 20,438,519,792.48/x
  3. Step 3: Cross multiply
    35,677,482,776.66x = 49,236,220,685.94 × 20,438,519,792.48
  4. Step 4: Simplify right side
    35,677,482,776.66x = 1,006,315,470,996,497,891,328
  5. Step 5: Solve for x
    x = 1,006,315,470,996,497,891,328/35,677,482,776.66
  6. Step 6: Final answer
    x = 28,205,898,866.13

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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.