Home / 479,015,201.46-661,037,127.93-278,090,719.50

Finding the Fourth Proportional to 479,015,201.46, 661,037,127.93 and 278,090,719.50

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Solution

The fourth proportional to 479,015,201.46, 661,037,127.93 and 278,090,719.50 is: 383,762,957.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,015,201.46 : 661,037,127.93 = 278,090,719.50 : x
  2. Step 2: Convert to fraction form
    479,015,201.46/661,037,127.93 = 278,090,719.50/x
  3. Step 3: Cross multiply
    479,015,201.46x = 661,037,127.93 × 278,090,719.50
  4. Step 4: Simplify right side
    479,015,201.46x = 183,828,290,522,267,232
  5. Step 5: Solve for x
    x = 183,828,290,522,267,232/479,015,201.46
  6. Step 6: Final answer
    x = 383,762,957.76

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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.