Home / 315,024,000.40-472,536,000.60-299,907,456.40

Finding the Fourth Proportional to 315,024,000.40, 472,536,000.60 and 299,907,456.40

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Solution

The fourth proportional to 315,024,000.40, 472,536,000.60 and 299,907,456.40 is: 449,861,184.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,024,000.40 : 472,536,000.60 = 299,907,456.40 : x
  2. Step 2: Convert to fraction form
    315,024,000.40/472,536,000.60 = 299,907,456.40/x
  3. Step 3: Cross multiply
    315,024,000.40x = 472,536,000.60 × 299,907,456.40
  4. Step 4: Simplify right side
    315,024,000.40x = 141,717,069,997,374,864
  5. Step 5: Solve for x
    x = 141,717,069,997,374,864/315,024,000.40
  6. Step 6: Final answer
    x = 449,861,184.60

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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.