Home / 488,325,099.20-732,487,648.80-396,492,094.40

Finding the Fourth Proportional to 488,325,099.20, 732,487,648.80 and 396,492,094.40

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Solution

The fourth proportional to 488,325,099.20, 732,487,648.80 and 396,492,094.40 is: 594,738,141.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,325,099.20 : 732,487,648.80 = 396,492,094.40 : x
  2. Step 2: Convert to fraction form
    488,325,099.20/732,487,648.80 = 396,492,094.40/x
  3. Step 3: Cross multiply
    488,325,099.20x = 732,487,648.80 × 396,492,094.40
  4. Step 4: Simplify right side
    488,325,099.20x = 290,425,561,994,843,584
  5. Step 5: Solve for x
    x = 290,425,561,994,843,584/488,325,099.20
  6. Step 6: Final answer
    x = 594,738,141.60

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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.