Home / 451,602,922.79-622,050,848.10-319,216,319.62

Finding the Fourth Proportional to 451,602,922.79, 622,050,848.10 and 319,216,319.62

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Solution

The fourth proportional to 451,602,922.79, 622,050,848.10 and 319,216,319.62 is: 439,697,735.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,602,922.79 : 622,050,848.10 = 319,216,319.62 : x
  2. Step 2: Convert to fraction form
    451,602,922.79/622,050,848.10 = 319,216,319.62/x
  3. Step 3: Cross multiply
    451,602,922.79x = 622,050,848.10 × 319,216,319.62
  4. Step 4: Simplify right side
    451,602,922.79x = 198,568,782,345,426,560
  5. Step 5: Solve for x
    x = 198,568,782,345,426,560/451,602,922.79
  6. Step 6: Final answer
    x = 439,697,735.16

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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.