Home / 572,543,999.35-858,815,999.03-533,996,812.15

Finding the Fourth Proportional to 572,543,999.35, 858,815,999.03 and 533,996,812.15

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Solution

The fourth proportional to 572,543,999.35, 858,815,999.03 and 533,996,812.15 is: 800,995,218.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,543,999.35 : 858,815,999.03 = 533,996,812.15 : x
  2. Step 2: Convert to fraction form
    572,543,999.35/858,815,999.03 = 533,996,812.15/x
  3. Step 3: Cross multiply
    572,543,999.35x = 858,815,999.03 × 533,996,812.15
  4. Step 4: Simplify right side
    572,543,999.35x = 458,605,005,702,767,488
  5. Step 5: Solve for x
    x = 458,605,005,702,767,488/572,543,999.35
  6. Step 6: Final answer
    x = 800,995,218.23

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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.