Home / 998,095,006.80-1,497,000,792.60-343,076,259.60

Finding the Fourth Proportional to 998,095,006.80, 1,497,000,792.60 and 343,076,259.60

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Solution

The fourth proportional to 998,095,006.80, 1,497,000,792.60 and 343,076,259.60 is: 514,565,676.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    998,095,006.80 : 1,497,000,792.60 = 343,076,259.60 : x
  2. Step 2: Convert to fraction form
    998,095,006.80/1,497,000,792.60 = 343,076,259.60/x
  3. Step 3: Cross multiply
    998,095,006.80x = 1,497,000,792.60 × 343,076,259.60
  4. Step 4: Simplify right side
    998,095,006.80x = 513,585,432,543,443,392
  5. Step 5: Solve for x
    x = 513,585,432,543,443,392/998,095,006.80
  6. Step 6: Final answer
    x = 514,565,676.66

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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.