Home / 1,964,440,405.80-2,947,125,091.50-636,466,298.45

Finding the Fourth Proportional to 1,964,440,405.80, 2,947,125,091.50 and 636,466,298.45

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Solution

The fourth proportional to 1,964,440,405.80, 2,947,125,091.50 and 636,466,298.45 is: 954,849,937.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,964,440,405.80 : 2,947,125,091.50 = 636,466,298.45 : x
  2. Step 2: Convert to fraction form
    1,964,440,405.80/2,947,125,091.50 = 636,466,298.45/x
  3. Step 3: Cross multiply
    1,964,440,405.80x = 2,947,125,091.50 × 636,466,298.45
  4. Step 4: Simplify right side
    1,964,440,405.80x = 1,875,745,798,059,652,608
  5. Step 5: Solve for x
    x = 1,875,745,798,059,652,608/1,964,440,405.80
  6. Step 6: Final answer
    x = 954,849,937.18

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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.