Home / 1,987,705,470,060.90-2,981,311,431,350.50-535,681,725,858.85

Finding the Fourth Proportional to 1,987,705,470,060.90, 2,981,311,431,350.50 and 535,681,725,858.85

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Solution

The fourth proportional to 1,987,705,470,060.90, 2,981,311,431,350.50 and 535,681,725,858.85 is: 803,456,083,873.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,987,705,470,060.90 : 2,981,311,431,350.50 = 535,681,725,858.85 : x
  2. Step 2: Convert to fraction form
    1,987,705,470,060.90/2,981,311,431,350.50 = 535,681,725,858.85/x
  3. Step 3: Cross multiply
    1,987,705,470,060.90x = 2,981,311,431,350.50 × 535,681,725,858.85
  4. Step 4: Simplify right side
    1,987,705,470,060.90x = 1,597,034,052,868,554,060,988,416
  5. Step 5: Solve for x
    x = 1,597,034,052,868,554,060,988,416/1,987,705,470,060.90
  6. Step 6: Final answer
    x = 803,456,083,873.24

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Double scale
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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.