Home / 1,987,705,470,056.10-2,981,311,431,343.30-535,681,725,854.10

Finding the Fourth Proportional to 1,987,705,470,056.10, 2,981,311,431,343.30 and 535,681,725,854.10

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Solution

The fourth proportional to 1,987,705,470,056.10, 2,981,311,431,343.30 and 535,681,725,854.10 is: 803,456,083,866.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,987,705,470,056.10 : 2,981,311,431,343.30 = 535,681,725,854.10 : x
  2. Step 2: Convert to fraction form
    1,987,705,470,056.10/2,981,311,431,343.30 = 535,681,725,854.10/x
  3. Step 3: Cross multiply
    1,987,705,470,056.10x = 2,981,311,431,343.30 × 535,681,725,854.10
  4. Step 4: Simplify right side
    1,987,705,470,056.10x = 1,597,034,052,850,535,867,875,328
  5. Step 5: Solve for x
    x = 1,597,034,052,850,535,867,875,328/1,987,705,470,056.10
  6. Step 6: Final answer
    x = 803,456,083,866.12

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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.