Home / 539,430,746.88-744,414,431.52-291,912,101.04

Finding the Fourth Proportional to 539,430,746.88, 744,414,431.52 and 291,912,101.04

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Solution

The fourth proportional to 539,430,746.88, 744,414,431.52 and 291,912,101.04 is: 402,838,699.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,430,746.88 : 744,414,431.52 = 291,912,101.04 : x
  2. Step 2: Convert to fraction form
    539,430,746.88/744,414,431.52 = 291,912,101.04/x
  3. Step 3: Cross multiply
    539,430,746.88x = 744,414,431.52 × 291,912,101.04
  4. Step 4: Simplify right side
    539,430,746.88x = 217,303,580,749,500,416
  5. Step 5: Solve for x
    x = 217,303,580,749,500,416/539,430,746.88
  6. Step 6: Final answer
    x = 402,838,699.88

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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.