Home / 781,776,677.93-1,172,863,506.78-361,900,754.96

Finding the Fourth Proportional to 781,776,677.93, 1,172,863,506.78 and 361,900,754.96

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Solution

The fourth proportional to 781,776,677.93, 1,172,863,506.78 and 361,900,754.96 is: 542,943,017.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    781,776,677.93 : 1,172,863,506.78 = 361,900,754.96 : x
  2. Step 2: Convert to fraction form
    781,776,677.93/1,172,863,506.78 = 361,900,754.96/x
  3. Step 3: Cross multiply
    781,776,677.93x = 1,172,863,506.78 × 361,900,754.96
  4. Step 4: Simplify right side
    781,776,677.93x = 424,460,188,562,850,752
  5. Step 5: Solve for x
    x = 424,460,188,562,850,752/781,776,677.93
  6. Step 6: Final answer
    x = 542,943,017.55

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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.