Home / 539,668,019.76-744,742,107.72-292,149,366

Finding the Fourth Proportional to 539,668,019.76, 744,742,107.72 and 292,149,366

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Solution

The fourth proportional to 539,668,019.76, 744,742,107.72 and 292,149,366 is: 403,166,255.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,668,019.76 : 744,742,107.72 = 292,149,366 : x
  2. Step 2: Convert to fraction form
    539,668,019.76/744,742,107.72 = 292,149,366/x
  3. Step 3: Cross multiply
    539,668,019.76x = 744,742,107.72 × 292,149,366
  4. Step 4: Simplify right side
    539,668,019.76x = 217,575,934,603,901,728
  5. Step 5: Solve for x
    x = 217,575,934,603,901,728/539,668,019.76
  6. Step 6: Final answer
    x = 403,166,255.25

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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.