Home / 532,140,181.70-798,210,272.55-442,560,661.70

Finding the Fourth Proportional to 532,140,181.70, 798,210,272.55 and 442,560,661.70

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Solution

The fourth proportional to 532,140,181.70, 798,210,272.55 and 442,560,661.70 is: 663,840,992.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,140,181.70 : 798,210,272.55 = 442,560,661.70 : x
  2. Step 2: Convert to fraction form
    532,140,181.70/798,210,272.55 = 442,560,661.70/x
  3. Step 3: Cross multiply
    532,140,181.70x = 798,210,272.55 × 442,560,661.70
  4. Step 4: Simplify right side
    532,140,181.70x = 353,256,466,395,465,344
  5. Step 5: Solve for x
    x = 353,256,466,395,465,344/532,140,181.70
  6. Step 6: Final answer
    x = 663,840,992.55

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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.