Home / 2,978,869,997,810.80-4,468,305,055,765.20-715,020,744,295.50

Finding the Fourth Proportional to 2,978,869,997,810.80, 4,468,305,055,765.20 and 715,020,744,295.50

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Solution

The fourth proportional to 2,978,869,997,810.80, 4,468,305,055,765.20 and 715,020,744,295.50 is: 1,072,531,130,616.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,978,869,997,810.80 : 4,468,305,055,765.20 = 715,020,744,295.50 : x
  2. Step 2: Convert to fraction form
    2,978,869,997,810.80/4,468,305,055,765.20 = 715,020,744,295.50/x
  3. Step 3: Cross multiply
    2,978,869,997,810.80x = 4,468,305,055,765.20 × 715,020,744,295.50
  4. Step 4: Simplify right side
    2,978,869,997,810.80x = 3,194,930,806,712,579,190,161,408
  5. Step 5: Solve for x
    x = 3,194,930,806,712,579,190,161,408/2,978,869,997,810.80
  6. Step 6: Final answer
    x = 1,072,531,130,616.83

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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.