Home / 539,063,189.51-743,907,200.72-291,544,543.76

Finding the Fourth Proportional to 539,063,189.51, 743,907,200.72 and 291,544,543.76

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Solution

The fourth proportional to 539,063,189.51, 743,907,200.72 and 291,544,543.76 is: 402,331,469.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,063,189.51 : 743,907,200.72 = 291,544,543.76 : x
  2. Step 2: Convert to fraction form
    539,063,189.51/743,907,200.72 = 291,544,543.76/x
  3. Step 3: Cross multiply
    539,063,189.51x = 743,907,200.72 × 291,544,543.76
  4. Step 4: Simplify right side
    539,063,189.51x = 216,882,085,428,513,888
  5. Step 5: Solve for x
    x = 216,882,085,428,513,888/539,063,189.51
  6. Step 6: Final answer
    x = 402,331,469.95

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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.