Home / 931,306,089.60-1,396,959,134.40-317,910,326.40

Finding the Fourth Proportional to 931,306,089.60, 1,396,959,134.40 and 317,910,326.40

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Solution

The fourth proportional to 931,306,089.60, 1,396,959,134.40 and 317,910,326.40 is: 476,865,489.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    931,306,089.60 : 1,396,959,134.40 = 317,910,326.40 : x
  2. Step 2: Convert to fraction form
    931,306,089.60/1,396,959,134.40 = 317,910,326.40/x
  3. Step 3: Cross multiply
    931,306,089.60x = 1,396,959,134.40 × 317,910,326.40
  4. Step 4: Simplify right side
    931,306,089.60x = 444,107,734,384,565,440
  5. Step 5: Solve for x
    x = 444,107,734,384,565,440/931,306,089.60
  6. Step 6: Final answer
    x = 476,865,489.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.