Home / 299,727,008.60-449,590,512.90-286,812,992.30

Finding the Fourth Proportional to 299,727,008.60, 449,590,512.90 and 286,812,992.30

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Solution

The fourth proportional to 299,727,008.60, 449,590,512.90 and 286,812,992.30 is: 430,219,488.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,727,008.60 : 449,590,512.90 = 286,812,992.30 : x
  2. Step 2: Convert to fraction form
    299,727,008.60/449,590,512.90 = 286,812,992.30/x
  3. Step 3: Cross multiply
    299,727,008.60x = 449,590,512.90 × 286,812,992.30
  4. Step 4: Simplify right side
    299,727,008.60x = 128,948,400,314,540,752
  5. Step 5: Solve for x
    x = 128,948,400,314,540,752/299,727,008.60
  6. Step 6: Final answer
    x = 430,219,488.45

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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.