Home / 1,992,344,106.80-2,980,454,003.40-1,750,479,402.80

Finding the Fourth Proportional to 1,992,344,106.80, 2,980,454,003.40 and 1,750,479,402.80

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Solution

The fourth proportional to 1,992,344,106.80, 2,980,454,003.40 and 1,750,479,402.80 is: 2,618,635,669.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,992,344,106.80 : 2,980,454,003.40 = 1,750,479,402.80 : x
  2. Step 2: Convert to fraction form
    1,992,344,106.80/2,980,454,003.40 = 1,750,479,402.80/x
  3. Step 3: Cross multiply
    1,992,344,106.80x = 2,980,454,003.40 × 1,750,479,402.80
  4. Step 4: Simplify right side
    1,992,344,106.80x = 5,217,223,343,944,501,248
  5. Step 5: Solve for x
    x = 5,217,223,343,944,501,248/1,992,344,106.80
  6. Step 6: Final answer
    x = 2,618,635,669.48

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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.