Home / 299,727,015.60-449,590,523.40-286,812,999.30

Finding the Fourth Proportional to 299,727,015.60, 449,590,523.40 and 286,812,999.30

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Solution

The fourth proportional to 299,727,015.60, 449,590,523.40 and 286,812,999.30 is: 430,219,498.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,727,015.60 : 449,590,523.40 = 286,812,999.30 : x
  2. Step 2: Convert to fraction form
    299,727,015.60/449,590,523.40 = 286,812,999.30/x
  3. Step 3: Cross multiply
    299,727,015.60x = 449,590,523.40 × 286,812,999.30
  4. Step 4: Simplify right side
    299,727,015.60x = 128,948,406,473,210,832
  5. Step 5: Solve for x
    x = 128,948,406,473,210,832/299,727,015.60
  6. Step 6: Final answer
    x = 430,219,498.95

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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.