Home / 417,307,681.20-626,033,672.28-140,960,907.84

Finding the Fourth Proportional to 417,307,681.20, 626,033,672.28 and 140,960,907.84

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Solution

The fourth proportional to 417,307,681.20, 626,033,672.28 and 140,960,907.84 is: 211,465,733.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,307,681.20 : 626,033,672.28 = 140,960,907.84 : x
  2. Step 2: Convert to fraction form
    417,307,681.20/626,033,672.28 = 140,960,907.84/x
  3. Step 3: Cross multiply
    417,307,681.20x = 626,033,672.28 × 140,960,907.84
  4. Step 4: Simplify right side
    417,307,681.20x = 88,246,274,782,997,840
  5. Step 5: Solve for x
    x = 88,246,274,782,997,840/417,307,681.20
  6. Step 6: Final answer
    x = 211,465,733.22

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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.