Home / 486,505,943.64-671,377,990.14-263,487,635.46

Finding the Fourth Proportional to 486,505,943.64, 671,377,990.14 and 263,487,635.46

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Solution

The fourth proportional to 486,505,943.64, 671,377,990.14 and 263,487,635.46 is: 363,612,822.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,505,943.64 : 671,377,990.14 = 263,487,635.46 : x
  2. Step 2: Convert to fraction form
    486,505,943.64/671,377,990.14 = 263,487,635.46/x
  3. Step 3: Cross multiply
    486,505,943.64x = 671,377,990.14 × 263,487,635.46
  4. Step 4: Simplify right side
    486,505,943.64x = 176,899,799,121,875,808
  5. Step 5: Solve for x
    x = 176,899,799,121,875,808/486,505,943.64
  6. Step 6: Final answer
    x = 363,612,822.07

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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.