Home / 915,105,849.40-1,262,984,114.26-558,080,754.74

Finding the Fourth Proportional to 915,105,849.40, 1,262,984,114.26 and 558,080,754.74

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Solution

The fourth proportional to 915,105,849.40, 1,262,984,114.26 and 558,080,754.74 is: 770,235,627.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    915,105,849.40 : 1,262,984,114.26 = 558,080,754.74 : x
  2. Step 2: Convert to fraction form
    915,105,849.40/1,262,984,114.26 = 558,080,754.74/x
  3. Step 3: Cross multiply
    915,105,849.40x = 1,262,984,114.26 × 558,080,754.74
  4. Step 4: Simplify right side
    915,105,849.40x = 704,847,127,701,745,920
  5. Step 5: Solve for x
    x = 704,847,127,701,745,920/915,105,849.40
  6. Step 6: Final answer
    x = 770,235,627.02

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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.