Home / 456,655,906.80-630,185,155.56-247,812,049.14

Finding the Fourth Proportional to 456,655,906.80, 630,185,155.56 and 247,812,049.14

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Solution

The fourth proportional to 456,655,906.80, 630,185,155.56 and 247,812,049.14 is: 341,980,630.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,655,906.80 : 630,185,155.56 = 247,812,049.14 : x
  2. Step 2: Convert to fraction form
    456,655,906.80/630,185,155.56 = 247,812,049.14/x
  3. Step 3: Cross multiply
    456,655,906.80x = 630,185,155.56 × 247,812,049.14
  4. Step 4: Simplify right side
    456,655,906.80x = 156,167,474,736,933,248
  5. Step 5: Solve for x
    x = 156,167,474,736,933,248/456,655,906.80
  6. Step 6: Final answer
    x = 341,980,630.08

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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.