Home / 922,720,450.26-1,273,354,182.20-499,334,124.59

Finding the Fourth Proportional to 922,720,450.26, 1,273,354,182.20 and 499,334,124.59

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Solution

The fourth proportional to 922,720,450.26, 1,273,354,182.20 and 499,334,124.59 is: 689,081,070.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    922,720,450.26 : 1,273,354,182.20 = 499,334,124.59 : x
  2. Step 2: Convert to fraction form
    922,720,450.26/1,273,354,182.20 = 499,334,124.59/x
  3. Step 3: Cross multiply
    922,720,450.26x = 1,273,354,182.20 × 499,334,124.59
  4. Step 4: Simplify right side
    922,720,450.26x = 635,829,195,861,852,288
  5. Step 5: Solve for x
    x = 635,829,195,861,852,288/922,720,450.26
  6. Step 6: Final answer
    x = 689,081,070.74

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.