Home / 456,766,549.36-630,338,475.32-247,922,734.64

Finding the Fourth Proportional to 456,766,549.36, 630,338,475.32 and 247,922,734.64

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Solution

The fourth proportional to 456,766,549.36, 630,338,475.32 and 247,922,734.64 is: 342,133,719.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,766,549.36 : 630,338,475.32 = 247,922,734.64 : x
  2. Step 2: Convert to fraction form
    456,766,549.36/630,338,475.32 = 247,922,734.64/x
  3. Step 3: Cross multiply
    456,766,549.36x = 630,338,475.32 × 247,922,734.64
  4. Step 4: Simplify right side
    456,766,549.36x = 156,275,238,550,142,560
  5. Step 5: Solve for x
    x = 156,275,238,550,142,560/456,766,549.36
  6. Step 6: Final answer
    x = 342,133,719.66

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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.