Home / 602,115,280.80-903,172,921.20-219,113,066.40

Finding the Fourth Proportional to 602,115,280.80, 903,172,921.20 and 219,113,066.40

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Solution

The fourth proportional to 602,115,280.80, 903,172,921.20 and 219,113,066.40 is: 328,669,599.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    602,115,280.80 : 903,172,921.20 = 219,113,066.40 : x
  2. Step 2: Convert to fraction form
    602,115,280.80/903,172,921.20 = 219,113,066.40/x
  3. Step 3: Cross multiply
    602,115,280.80x = 903,172,921.20 × 219,113,066.40
  4. Step 4: Simplify right side
    602,115,280.80x = 197,896,988,253,577,568
  5. Step 5: Solve for x
    x = 197,896,988,253,577,568/602,115,280.80
  6. Step 6: Final answer
    x = 328,669,599.60

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1.5x scale

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.