Home / 532,140,181.20-798,210,271.80-442,560,661.20

Finding the Fourth Proportional to 532,140,181.20, 798,210,271.80 and 442,560,661.20

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Solution

The fourth proportional to 532,140,181.20, 798,210,271.80 and 442,560,661.20 is: 663,840,991.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,140,181.20 : 798,210,271.80 = 442,560,661.20 : x
  2. Step 2: Convert to fraction form
    532,140,181.20/798,210,271.80 = 442,560,661.20/x
  3. Step 3: Cross multiply
    532,140,181.20x = 798,210,271.80 × 442,560,661.20
  4. Step 4: Simplify right side
    532,140,181.20x = 353,256,465,664,439,680
  5. Step 5: Solve for x
    x = 353,256,465,664,439,680/532,140,181.20
  6. Step 6: Final answer
    x = 663,840,991.80

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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.