Home / 456,731,480.96-630,290,063.04-247,887,630.08

Finding the Fourth Proportional to 456,731,480.96, 630,290,063.04 and 247,887,630.08

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Solution

The fourth proportional to 456,731,480.96, 630,290,063.04 and 247,887,630.08 is: 342,085,265.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,731,480.96 : 630,290,063.04 = 247,887,630.08 : x
  2. Step 2: Convert to fraction form
    456,731,480.96/630,290,063.04 = 247,887,630.08/x
  3. Step 3: Cross multiply
    456,731,480.96x = 630,290,063.04 × 247,887,630.08
  4. Step 4: Simplify right side
    456,731,480.96x = 156,241,109,989,959,392
  5. Step 5: Solve for x
    x = 156,241,109,989,959,392/456,731,480.96
  6. Step 6: Final answer
    x = 342,085,265.64

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.