Home / 1,470,474,718.60-2,205,712,077.90-1,309,766,960.20

Finding the Fourth Proportional to 1,470,474,718.60, 2,205,712,077.90 and 1,309,766,960.20

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Solution

The fourth proportional to 1,470,474,718.60, 2,205,712,077.90 and 1,309,766,960.20 is: 1,964,650,440.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,470,474,718.60 : 2,205,712,077.90 = 1,309,766,960.20 : x
  2. Step 2: Convert to fraction form
    1,470,474,718.60/2,205,712,077.90 = 1,309,766,960.20/x
  3. Step 3: Cross multiply
    1,470,474,718.60x = 2,205,712,077.90 × 1,309,766,960.20
  4. Step 4: Simplify right side
    1,470,474,718.60x = 2,888,968,803,347,508,736
  5. Step 5: Solve for x
    x = 2,888,968,803,347,508,736/1,470,474,718.60
  6. Step 6: Final answer
    x = 1,964,650,440.30

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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.