Home / 812,503,226.13-1,218,370,637.73-314,746,866.57

Finding the Fourth Proportional to 812,503,226.13, 1,218,370,637.73 and 314,746,866.57

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Solution

The fourth proportional to 812,503,226.13, 1,218,370,637.73 and 314,746,866.57 is: 471,971,468.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    812,503,226.13 : 1,218,370,637.73 = 314,746,866.57 : x
  2. Step 2: Convert to fraction form
    812,503,226.13/1,218,370,637.73 = 314,746,866.57/x
  3. Step 3: Cross multiply
    812,503,226.13x = 1,218,370,637.73 × 314,746,866.57
  4. Step 4: Simplify right side
    812,503,226.13x = 383,478,340,546,410,112
  5. Step 5: Solve for x
    x = 383,478,340,546,410,112/812,503,226.13
  6. Step 6: Final answer
    x = 471,971,468.19

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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.