Home / 479,015,219.66-661,037,152.91-278,090,737.70

Finding the Fourth Proportional to 479,015,219.66, 661,037,152.91 and 278,090,737.70

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Solution

The fourth proportional to 479,015,219.66, 661,037,152.91 and 278,090,737.70 is: 383,762,982.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,015,219.66 : 661,037,152.91 = 278,090,737.70 : x
  2. Step 2: Convert to fraction form
    479,015,219.66/661,037,152.91 = 278,090,737.70/x
  3. Step 3: Cross multiply
    479,015,219.66x = 661,037,152.91 × 278,090,737.70
  4. Step 4: Simplify right side
    479,015,219.66x = 183,828,309,495,153,952
  5. Step 5: Solve for x
    x = 183,828,309,495,153,952/479,015,219.66
  6. Step 6: Final answer
    x = 383,762,982.79

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.