Home / 277,639,309.40-416,175,528.90-162,564,618.20

Finding the Fourth Proportional to 277,639,309.40, 416,175,528.90 and 162,564,618.20

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Solution

The fourth proportional to 277,639,309.40, 416,175,528.90 and 162,564,618.20 is: 243,680,969.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,639,309.40 : 416,175,528.90 = 162,564,618.20 : x
  2. Step 2: Convert to fraction form
    277,639,309.40/416,175,528.90 = 162,564,618.20/x
  3. Step 3: Cross multiply
    277,639,309.40x = 416,175,528.90 × 162,564,618.20
  4. Step 4: Simplify right side
    277,639,309.40x = 67,655,415,959,811,560
  5. Step 5: Solve for x
    x = 67,655,415,959,811,560/277,639,309.40
  6. Step 6: Final answer
    x = 243,680,969.05

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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.