Home / 572,943,943.23-858,538,744.95-385,503,610.55

Finding the Fourth Proportional to 572,943,943.23, 858,538,744.95 and 385,503,610.55

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Solution

The fourth proportional to 572,943,943.23, 858,538,744.95 and 385,503,610.55 is: 577,665,214.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,943,943.23 : 858,538,744.95 = 385,503,610.55 : x
  2. Step 2: Convert to fraction form
    572,943,943.23/858,538,744.95 = 385,503,610.55/x
  3. Step 3: Cross multiply
    572,943,943.23x = 858,538,744.95 × 385,503,610.55
  4. Step 4: Simplify right side
    572,943,943.23x = 330,969,785,976,090,624
  5. Step 5: Solve for x
    x = 330,969,785,976,090,624/572,943,943.23
  6. Step 6: Final answer
    x = 577,665,214.69

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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.