Home / 1,185,948,366.93-1,778,913,593.42-356,898,440.25

Finding the Fourth Proportional to 1,185,948,366.93, 1,778,913,593.42 and 356,898,440.25

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Solution

The fourth proportional to 1,185,948,366.93, 1,778,913,593.42 and 356,898,440.25 is: 535,344,964.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,185,948,366.93 : 1,778,913,593.42 = 356,898,440.25 : x
  2. Step 2: Convert to fraction form
    1,185,948,366.93/1,778,913,593.42 = 356,898,440.25/x
  3. Step 3: Cross multiply
    1,185,948,366.93x = 1,778,913,593.42 × 356,898,440.25
  4. Step 4: Simplify right side
    1,185,948,366.93x = 634,891,486,829,336,192
  5. Step 5: Solve for x
    x = 634,891,486,829,336,192/1,185,948,366.93
  6. Step 6: Final answer
    x = 535,344,964.87

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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.