Home / 625,331,605.56-938,005,390.89-165,265,800

Finding the Fourth Proportional to 625,331,605.56, 938,005,390.89 and 165,265,800

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Solution

The fourth proportional to 625,331,605.56, 938,005,390.89 and 165,265,800 is: 247,900,809.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    625,331,605.56 : 938,005,390.89 = 165,265,800 : x
  2. Step 2: Convert to fraction form
    625,331,605.56/938,005,390.89 = 165,265,800/x
  3. Step 3: Cross multiply
    625,331,605.56x = 938,005,390.89 × 165,265,800
  4. Step 4: Simplify right side
    625,331,605.56x = 155,020,211,329,748,544
  5. Step 5: Solve for x
    x = 155,020,211,329,748,544/625,331,605.56
  6. Step 6: Final answer
    x = 247,900,809.67

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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.