Home / 354,294,420.10-531,441,630.15-305,827,000.90

Finding the Fourth Proportional to 354,294,420.10, 531,441,630.15 and 305,827,000.90

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Solution

The fourth proportional to 354,294,420.10, 531,441,630.15 and 305,827,000.90 is: 458,740,501.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,294,420.10 : 531,441,630.15 = 305,827,000.90 : x
  2. Step 2: Convert to fraction form
    354,294,420.10/531,441,630.15 = 305,827,000.90/x
  3. Step 3: Cross multiply
    354,294,420.10x = 531,441,630.15 × 305,827,000.90
  4. Step 4: Simplify right side
    354,294,420.10x = 162,529,199,902,181,504
  5. Step 5: Solve for x
    x = 162,529,199,902,181,504/354,294,420.10
  6. Step 6: Final answer
    x = 458,740,501.35

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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.