Home / 2,120,276,089.68-3,180,758,932.12-626,459,211.60

Finding the Fourth Proportional to 2,120,276,089.68, 3,180,758,932.12 and 626,459,211.60

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Solution

The fourth proportional to 2,120,276,089.68, 3,180,758,932.12 and 626,459,211.60 is: 939,790,691.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,120,276,089.68 : 3,180,758,932.12 = 626,459,211.60 : x
  2. Step 2: Convert to fraction form
    2,120,276,089.68/3,180,758,932.12 = 626,459,211.60/x
  3. Step 3: Cross multiply
    2,120,276,089.68x = 3,180,758,932.12 × 626,459,211.60
  4. Step 4: Simplify right side
    2,120,276,089.68x = 1,992,615,732,905,553,152
  5. Step 5: Solve for x
    x = 1,992,615,732,905,553,152/2,120,276,089.68
  6. Step 6: Final answer
    x = 939,790,691.70

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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.