Home / 931,631,641.30-1,396,260,577.05-495,141,433.30

Finding the Fourth Proportional to 931,631,641.30, 1,396,260,577.05 and 495,141,433.30

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Solution

The fourth proportional to 931,631,641.30, 1,396,260,577.05 and 495,141,433.30 is: 742,081,347.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    931,631,641.30 : 1,396,260,577.05 = 495,141,433.30 : x
  2. Step 2: Convert to fraction form
    931,631,641.30/1,396,260,577.05 = 495,141,433.30/x
  3. Step 3: Cross multiply
    931,631,641.30x = 1,396,260,577.05 × 495,141,433.30
  4. Step 4: Simplify right side
    931,631,641.30x = 691,346,463,380,822,016
  5. Step 5: Solve for x
    x = 691,346,463,380,822,016/931,631,641.30
  6. Step 6: Final answer
    x = 742,081,347.10

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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.