Home / 684,323,437.46-944,384,912.76-387,010,139.60

Finding the Fourth Proportional to 684,323,437.46, 944,384,912.76 and 387,010,139.60

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Solution

The fourth proportional to 684,323,437.46, 944,384,912.76 and 387,010,139.60 is: 534,084,494.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,323,437.46 : 944,384,912.76 = 387,010,139.60 : x
  2. Step 2: Convert to fraction form
    684,323,437.46/944,384,912.76 = 387,010,139.60/x
  3. Step 3: Cross multiply
    684,323,437.46x = 944,384,912.76 × 387,010,139.60
  4. Step 4: Simplify right side
    684,323,437.46x = 365,486,536,923,381,440
  5. Step 5: Solve for x
    x = 365,486,536,923,381,440/684,323,437.46
  6. Step 6: Final answer
    x = 534,084,494.14

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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.