Home / 752,921,596.48-1,038,861,565.12-455,556,443.64

Finding the Fourth Proportional to 752,921,596.48, 1,038,861,565.12 and 455,556,443.64

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Solution

The fourth proportional to 752,921,596.48, 1,038,861,565.12 and 455,556,443.64 is: 628,564,889.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    752,921,596.48 : 1,038,861,565.12 = 455,556,443.64 : x
  2. Step 2: Convert to fraction form
    752,921,596.48/1,038,861,565.12 = 455,556,443.64/x
  3. Step 3: Cross multiply
    752,921,596.48x = 1,038,861,565.12 × 455,556,443.64
  4. Step 4: Simplify right side
    752,921,596.48x = 473,260,080,040,351,488
  5. Step 5: Solve for x
    x = 473,260,080,040,351,488/752,921,596.48
  6. Step 6: Final answer
    x = 628,564,889.43

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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.