Home / 998,144,480.80-1,497,316,772.40-343,009,223.20

Finding the Fourth Proportional to 998,144,480.80, 1,497,316,772.40 and 343,009,223.20

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Solution

The fourth proportional to 998,144,480.80, 1,497,316,772.40 and 343,009,223.20 is: 514,548,217.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    998,144,480.80 : 1,497,316,772.40 = 343,009,223.20 : x
  2. Step 2: Convert to fraction form
    998,144,480.80/1,497,316,772.40 = 343,009,223.20/x
  3. Step 3: Cross multiply
    998,144,480.80x = 1,497,316,772.40 × 343,009,223.20
  4. Step 4: Simplify right side
    998,144,480.80x = 513,593,462,985,255,232
  5. Step 5: Solve for x
    x = 513,593,462,985,255,232/998,144,480.80
  6. Step 6: Final answer
    x = 514,548,217.08

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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.