Home / 2,197,658,570.40-3,296,487,855.60-817,187,428.80

Finding the Fourth Proportional to 2,197,658,570.40, 3,296,487,855.60 and 817,187,428.80

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Solution

The fourth proportional to 2,197,658,570.40, 3,296,487,855.60 and 817,187,428.80 is: 1,225,781,143.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,197,658,570.40 : 3,296,487,855.60 = 817,187,428.80 : x
  2. Step 2: Convert to fraction form
    2,197,658,570.40/3,296,487,855.60 = 817,187,428.80/x
  3. Step 3: Cross multiply
    2,197,658,570.40x = 3,296,487,855.60 × 817,187,428.80
  4. Step 4: Simplify right side
    2,197,658,570.40x = 2,693,848,434,788,189,696
  5. Step 5: Solve for x
    x = 2,693,848,434,788,189,696/2,197,658,570.40
  6. Step 6: Final answer
    x = 1,225,781,143.20

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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.