Home / 3,438,006,988.20-5,157,010,482.30-984,343,891.20

Finding the Fourth Proportional to 3,438,006,988.20, 5,157,010,482.30 and 984,343,891.20

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Solution

The fourth proportional to 3,438,006,988.20, 5,157,010,482.30 and 984,343,891.20 is: 1,476,515,836.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,438,006,988.20 : 5,157,010,482.30 = 984,343,891.20 : x
  2. Step 2: Convert to fraction form
    3,438,006,988.20/5,157,010,482.30 = 984,343,891.20/x
  3. Step 3: Cross multiply
    3,438,006,988.20x = 5,157,010,482.30 × 984,343,891.20
  4. Step 4: Simplify right side
    3,438,006,988.20x = 5,076,271,765,106,371,584
  5. Step 5: Solve for x
    x = 5,076,271,765,106,371,584/3,438,006,988.20
  6. Step 6: Final answer
    x = 1,476,515,836.80

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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.