Home / 1,805,261,921.55-2,707,892,882.33-772,140,617.55

Finding the Fourth Proportional to 1,805,261,921.55, 2,707,892,882.33 and 772,140,617.55

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Solution

The fourth proportional to 1,805,261,921.55, 2,707,892,882.33 and 772,140,617.55 is: 1,158,210,926.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,805,261,921.55 : 2,707,892,882.33 = 772,140,617.55 : x
  2. Step 2: Convert to fraction form
    1,805,261,921.55/2,707,892,882.33 = 772,140,617.55/x
  3. Step 3: Cross multiply
    1,805,261,921.55x = 2,707,892,882.33 × 772,140,617.55
  4. Step 4: Simplify right side
    1,805,261,921.55x = 2,090,874,082,417,674,752
  5. Step 5: Solve for x
    x = 2,090,874,082,417,674,752/1,805,261,921.55
  6. Step 6: Final answer
    x = 1,158,210,926.33

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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.