Home / 1,964,440,685.70-2,947,125,510.90-636,466,577.22

Finding the Fourth Proportional to 1,964,440,685.70, 2,947,125,510.90 and 636,466,577.22

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Solution

The fourth proportional to 1,964,440,685.70, 2,947,125,510.90 and 636,466,577.22 is: 954,850,355.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,964,440,685.70 : 2,947,125,510.90 = 636,466,577.22 : x
  2. Step 2: Convert to fraction form
    1,964,440,685.70/2,947,125,510.90 = 636,466,577.22/x
  3. Step 3: Cross multiply
    1,964,440,685.70x = 2,947,125,510.90 × 636,466,577.22
  4. Step 4: Simplify right side
    1,964,440,685.70x = 1,875,746,886,560,267,008
  5. Step 5: Solve for x
    x = 1,875,746,886,560,267,008/1,964,440,685.70
  6. Step 6: Final answer
    x = 954,850,355.23

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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.