Home / 998,144,473.80-1,497,316,761.90-343,009,216.20

Finding the Fourth Proportional to 998,144,473.80, 1,497,316,761.90 and 343,009,216.20

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Solution

The fourth proportional to 998,144,473.80, 1,497,316,761.90 and 343,009,216.20 is: 514,548,206.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    998,144,473.80 : 1,497,316,761.90 = 343,009,216.20 : x
  2. Step 2: Convert to fraction form
    998,144,473.80/1,497,316,761.90 = 343,009,216.20/x
  3. Step 3: Cross multiply
    998,144,473.80x = 1,497,316,761.90 × 343,009,216.20
  4. Step 4: Simplify right side
    998,144,473.80x = 513,593,448,902,441,024
  5. Step 5: Solve for x
    x = 513,593,448,902,441,024/998,144,473.80
  6. Step 6: Final answer
    x = 514,548,206.58

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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.