Home / 301,813,275.40-452,719,913.10-185,587,128.70

Finding the Fourth Proportional to 301,813,275.40, 452,719,913.10 and 185,587,128.70

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Solution

The fourth proportional to 301,813,275.40, 452,719,913.10 and 185,587,128.70 is: 278,380,693.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,813,275.40 : 452,719,913.10 = 185,587,128.70 : x
  2. Step 2: Convert to fraction form
    301,813,275.40/452,719,913.10 = 185,587,128.70/x
  3. Step 3: Cross multiply
    301,813,275.40x = 452,719,913.10 × 185,587,128.70
  4. Step 4: Simplify right side
    301,813,275.40x = 84,018,988,777,542,512
  5. Step 5: Solve for x
    x = 84,018,988,777,542,512/301,813,275.40
  6. Step 6: Final answer
    x = 278,380,693.05

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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.