Home / 906,963,129.10-1,360,577,404.05-293,442,949.90

Finding the Fourth Proportional to 906,963,129.10, 1,360,577,404.05 and 293,442,949.90

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Solution

The fourth proportional to 906,963,129.10, 1,360,577,404.05 and 293,442,949.90 is: 440,207,362.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    906,963,129.10 : 1,360,577,404.05 = 293,442,949.90 : x
  2. Step 2: Convert to fraction form
    906,963,129.10/1,360,577,404.05 = 293,442,949.90/x
  3. Step 3: Cross multiply
    906,963,129.10x = 1,360,577,404.05 × 293,442,949.90
  4. Step 4: Simplify right side
    906,963,129.10x = 399,251,847,011,716,160
  5. Step 5: Solve for x
    x = 399,251,847,011,716,160/906,963,129.10
  6. Step 6: Final answer
    x = 440,207,362.57

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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.