Home / 1,416,708,391.11-2,124,985,956.72-434,137,782.78

Finding the Fourth Proportional to 1,416,708,391.11, 2,124,985,956.72 and 434,137,782.78

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Solution

The fourth proportional to 1,416,708,391.11, 2,124,985,956.72 and 434,137,782.78 is: 651,183,191.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,416,708,391.11 : 2,124,985,956.72 = 434,137,782.78 : x
  2. Step 2: Convert to fraction form
    1,416,708,391.11/2,124,985,956.72 = 434,137,782.78/x
  3. Step 3: Cross multiply
    1,416,708,391.11x = 2,124,985,956.72 × 434,137,782.78
  4. Step 4: Simplify right side
    1,416,708,391.11x = 922,536,691,689,057,792
  5. Step 5: Solve for x
    x = 922,536,691,689,057,792/1,416,708,391.11
  6. Step 6: Final answer
    x = 651,183,191.60

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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.