Home / 675,248,117.13-1,012,853,280.02-215,213,891.85

Finding the Fourth Proportional to 675,248,117.13, 1,012,853,280.02 and 215,213,891.85

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Solution

The fourth proportional to 675,248,117.13, 1,012,853,280.02 and 215,213,891.85 is: 322,814,815.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    675,248,117.13 : 1,012,853,280.02 = 215,213,891.85 : x
  2. Step 2: Convert to fraction form
    675,248,117.13/1,012,853,280.02 = 215,213,891.85/x
  3. Step 3: Cross multiply
    675,248,117.13x = 1,012,853,280.02 × 215,213,891.85
  4. Step 4: Simplify right side
    675,248,117.13x = 217,980,096,265,065,952
  5. Step 5: Solve for x
    x = 217,980,096,265,065,952/675,248,117.13
  6. Step 6: Final answer
    x = 322,814,815.38

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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.