Home / 299,727,016.60-449,590,524.90-286,813,000.30

Finding the Fourth Proportional to 299,727,016.60, 449,590,524.90 and 286,813,000.30

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Solution

The fourth proportional to 299,727,016.60, 449,590,524.90 and 286,813,000.30 is: 430,219,500.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,727,016.60 : 449,590,524.90 = 286,813,000.30 : x
  2. Step 2: Convert to fraction form
    299,727,016.60/449,590,524.90 = 286,813,000.30/x
  3. Step 3: Cross multiply
    299,727,016.60x = 449,590,524.90 × 286,813,000.30
  4. Step 4: Simplify right side
    299,727,016.60x = 128,948,407,353,020,848
  5. Step 5: Solve for x
    x = 128,948,407,353,020,848/299,727,016.60
  6. Step 6: Final answer
    x = 430,219,500.45

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1.5x scale

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.