Home / 852,576,235.04-1,278,909,516.90-262,771,576.72

Finding the Fourth Proportional to 852,576,235.04, 1,278,909,516.90 and 262,771,576.72

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Solution

The fourth proportional to 852,576,235.04, 1,278,909,516.90 and 262,771,576.72 is: 394,171,285.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    852,576,235.04 : 1,278,909,516.90 = 262,771,576.72 : x
  2. Step 2: Convert to fraction form
    852,576,235.04/1,278,909,516.90 = 262,771,576.72/x
  3. Step 3: Cross multiply
    852,576,235.04x = 1,278,909,516.90 × 262,771,576.72
  4. Step 4: Simplify right side
    852,576,235.04x = 336,061,070,238,026,496
  5. Step 5: Solve for x
    x = 336,061,070,238,026,496/852,576,235.04
  6. Step 6: Final answer
    x = 394,171,285.13

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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.