Home / 280,464,746.20-422,611,496.18-230,466,776.92

Finding the Fourth Proportional to 280,464,746.20, 422,611,496.18 and 230,466,776.92

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Solution

The fourth proportional to 280,464,746.20, 422,611,496.18 and 230,466,776.92 is: 347,273,269.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    280,464,746.20 : 422,611,496.18 = 230,466,776.92 : x
  2. Step 2: Convert to fraction form
    280,464,746.20/422,611,496.18 = 230,466,776.92/x
  3. Step 3: Cross multiply
    280,464,746.20x = 422,611,496.18 × 230,466,776.92
  4. Step 4: Simplify right side
    280,464,746.20x = 97,397,909,412,406,592
  5. Step 5: Solve for x
    x = 97,397,909,412,406,592/280,464,746.20
  6. Step 6: Final answer
    x = 347,273,269.58

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.