Home / 998,144,476.80-1,497,316,766.40-343,009,219.20

Finding the Fourth Proportional to 998,144,476.80, 1,497,316,766.40 and 343,009,219.20

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Solution

The fourth proportional to 998,144,476.80, 1,497,316,766.40 and 343,009,219.20 is: 514,548,211.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    998,144,476.80 : 1,497,316,766.40 = 343,009,219.20 : x
  2. Step 2: Convert to fraction form
    998,144,476.80/1,497,316,766.40 = 343,009,219.20/x
  3. Step 3: Cross multiply
    998,144,476.80x = 1,497,316,766.40 × 343,009,219.20
  4. Step 4: Simplify right side
    998,144,476.80x = 513,593,454,937,932,800
  5. Step 5: Solve for x
    x = 513,593,454,937,932,800/998,144,476.80
  6. Step 6: Final answer
    x = 514,548,211.08

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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.