Home / 2,197,658,769.40-3,296,488,154.10-817,187,627.80

Finding the Fourth Proportional to 2,197,658,769.40, 3,296,488,154.10 and 817,187,627.80

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Solution

The fourth proportional to 2,197,658,769.40, 3,296,488,154.10 and 817,187,627.80 is: 1,225,781,441.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,197,658,769.40 : 3,296,488,154.10 = 817,187,627.80 : x
  2. Step 2: Convert to fraction form
    2,197,658,769.40/3,296,488,154.10 = 817,187,627.80/x
  3. Step 3: Cross multiply
    2,197,658,769.40x = 3,296,488,154.10 × 817,187,627.80
  4. Step 4: Simplify right side
    2,197,658,769.40x = 2,693,849,334,719,779,840
  5. Step 5: Solve for x
    x = 2,693,849,334,719,779,840/2,197,658,769.40
  6. Step 6: Final answer
    x = 1,225,781,441.70

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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.