Home / 807,765,188.66-1,209,162,680.47-527,041,636.26

Finding the Fourth Proportional to 807,765,188.66, 1,209,162,680.47 and 527,041,636.26

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Solution

The fourth proportional to 807,765,188.66, 1,209,162,680.47 and 527,041,636.26 is: 788,941,002.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,765,188.66 : 1,209,162,680.47 = 527,041,636.26 : x
  2. Step 2: Convert to fraction form
    807,765,188.66/1,209,162,680.47 = 527,041,636.26/x
  3. Step 3: Cross multiply
    807,765,188.66x = 1,209,162,680.47 × 527,041,636.26
  4. Step 4: Simplify right side
    807,765,188.66x = 637,279,077,619,436,288
  5. Step 5: Solve for x
    x = 637,279,077,619,436,288/807,765,188.66
  6. Step 6: Final answer
    x = 788,941,002.37

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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.