Home / 1,719,478,557.90-2,578,719,090.12-669,982,670.96

Finding the Fourth Proportional to 1,719,478,557.90, 2,578,719,090.12 and 669,982,670.96

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Solution

The fourth proportional to 1,719,478,557.90, 2,578,719,090.12 and 669,982,670.96 is: 1,004,779,673.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,719,478,557.90 : 2,578,719,090.12 = 669,982,670.96 : x
  2. Step 2: Convert to fraction form
    1,719,478,557.90/2,578,719,090.12 = 669,982,670.96/x
  3. Step 3: Cross multiply
    1,719,478,557.90x = 2,578,719,090.12 × 669,982,670.96
  4. Step 4: Simplify right side
    1,719,478,557.90x = 1,727,697,103,641,244,928
  5. Step 5: Solve for x
    x = 1,727,697,103,641,244,928/1,719,478,557.90
  6. Step 6: Final answer
    x = 1,004,779,673.29

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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.