Home / 2,197,657,911.90-3,296,486,867.85-817,186,770.30

Finding the Fourth Proportional to 2,197,657,911.90, 3,296,486,867.85 and 817,186,770.30

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Solution

The fourth proportional to 2,197,657,911.90, 3,296,486,867.85 and 817,186,770.30 is: 1,225,780,155.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,197,657,911.90 : 3,296,486,867.85 = 817,186,770.30 : x
  2. Step 2: Convert to fraction form
    2,197,657,911.90/3,296,486,867.85 = 817,186,770.30/x
  3. Step 3: Cross multiply
    2,197,657,911.90x = 3,296,486,867.85 × 817,186,770.30
  4. Step 4: Simplify right side
    2,197,657,911.90x = 2,693,845,456,874,704,384
  5. Step 5: Solve for x
    x = 2,693,845,456,874,704,384/2,197,657,911.90
  6. Step 6: Final answer
    x = 1,225,780,155.45

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Double scale
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1.5x scale

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.