Home / 743,949,607.68-1,115,925,344.64-355,681,175.04

Finding the Fourth Proportional to 743,949,607.68, 1,115,925,344.64 and 355,681,175.04

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Solution

The fourth proportional to 743,949,607.68, 1,115,925,344.64 and 355,681,175.04 is: 533,522,208.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    743,949,607.68 : 1,115,925,344.64 = 355,681,175.04 : x
  2. Step 2: Convert to fraction form
    743,949,607.68/1,115,925,344.64 = 355,681,175.04/x
  3. Step 3: Cross multiply
    743,949,607.68x = 1,115,925,344.64 × 355,681,175.04
  4. Step 4: Simplify right side
    743,949,607.68x = 396,913,637,838,472,256
  5. Step 5: Solve for x
    x = 396,913,637,838,472,256/743,949,607.68
  6. Step 6: Final answer
    x = 533,522,208.68

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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.