Home / 767,536,442.65-1,059,200,263.71-415,112,424.85

Finding the Fourth Proportional to 767,536,442.65, 1,059,200,263.71 and 415,112,424.85

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Solution

The fourth proportional to 767,536,442.65, 1,059,200,263.71 and 415,112,424.85 is: 572,855,131.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    767,536,442.65 : 1,059,200,263.71 = 415,112,424.85 : x
  2. Step 2: Convert to fraction form
    767,536,442.65/1,059,200,263.71 = 415,112,424.85/x
  3. Step 3: Cross multiply
    767,536,442.65x = 1,059,200,263.71 × 415,112,424.85
  4. Step 4: Simplify right side
    767,536,442.65x = 439,687,189,863,046,016
  5. Step 5: Solve for x
    x = 439,687,189,863,046,016/767,536,442.65
  6. Step 6: Final answer
    x = 572,855,131.61

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.