Home / 812,503,219.55-1,218,370,627.88-314,746,860

Finding the Fourth Proportional to 812,503,219.55, 1,218,370,627.88 and 314,746,860

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Solution

The fourth proportional to 812,503,219.55, 1,218,370,627.88 and 314,746,860 is: 471,971,458.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    812,503,219.55 : 1,218,370,627.88 = 314,746,860 : x
  2. Step 2: Convert to fraction form
    812,503,219.55/1,218,370,627.88 = 314,746,860/x
  3. Step 3: Cross multiply
    812,503,219.55x = 1,218,370,627.88 × 314,746,860
  4. Step 4: Simplify right side
    812,503,219.55x = 383,478,329,439,884,736
  5. Step 5: Solve for x
    x = 383,478,329,439,884,736/812,503,219.55
  6. Step 6: Final answer
    x = 471,971,458.34

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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.