Home / 456,819,798.64-630,412,122-247,976,083.12

Finding the Fourth Proportional to 456,819,798.64, 630,412,122 and 247,976,083.12

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Solution

The fourth proportional to 456,819,798.64, 630,412,122 and 247,976,083.12 is: 342,207,428.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,819,798.64 : 630,412,122 = 247,976,083.12 : x
  2. Step 2: Convert to fraction form
    456,819,798.64/630,412,122 = 247,976,083.12/x
  3. Step 3: Cross multiply
    456,819,798.64x = 630,412,122 × 247,976,083.12
  4. Step 4: Simplify right side
    456,819,798.64x = 156,327,128,764,927,584
  5. Step 5: Solve for x
    x = 156,327,128,764,927,584/456,819,798.64
  6. Step 6: Final answer
    x = 342,207,428.90

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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.