Home / 715,872,639.48-1,073,112,542.88-342,283,442.27

Finding the Fourth Proportional to 715,872,639.48, 1,073,112,542.88 and 342,283,442.27

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Solution

The fourth proportional to 715,872,639.48, 1,073,112,542.88 and 342,283,442.27 is: 513,092,182.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    715,872,639.48 : 1,073,112,542.88 = 342,283,442.27 : x
  2. Step 2: Convert to fraction form
    715,872,639.48/1,073,112,542.88 = 342,283,442.27/x
  3. Step 3: Cross multiply
    715,872,639.48x = 1,073,112,542.88 × 342,283,442.27
  4. Step 4: Simplify right side
    715,872,639.48x = 367,308,655,120,079,360
  5. Step 5: Solve for x
    x = 367,308,655,120,079,360/715,872,639.48
  6. Step 6: Final answer
    x = 513,092,182.69

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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.