Home / 365,366,963.40-548,050,445.10-287,882,865.60

Finding the Fourth Proportional to 365,366,963.40, 548,050,445.10 and 287,882,865.60

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Solution

The fourth proportional to 365,366,963.40, 548,050,445.10 and 287,882,865.60 is: 431,824,298.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,366,963.40 : 548,050,445.10 = 287,882,865.60 : x
  2. Step 2: Convert to fraction form
    365,366,963.40/548,050,445.10 = 287,882,865.60/x
  3. Step 3: Cross multiply
    365,366,963.40x = 548,050,445.10 × 287,882,865.60
  4. Step 4: Simplify right side
    365,366,963.40x = 157,774,332,628,743,488
  5. Step 5: Solve for x
    x = 157,774,332,628,743,488/365,366,963.40
  6. Step 6: Final answer
    x = 431,824,298.40

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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.