Home / 5,978,488,140.20-8,967,732,210.30-3,914,575,999.40

Finding the Fourth Proportional to 5,978,488,140.20, 8,967,732,210.30 and 3,914,575,999.40

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Solution

The fourth proportional to 5,978,488,140.20, 8,967,732,210.30 and 3,914,575,999.40 is: 5,871,863,999.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,978,488,140.20 : 8,967,732,210.30 = 3,914,575,999.40 : x
  2. Step 2: Convert to fraction form
    5,978,488,140.20/8,967,732,210.30 = 3,914,575,999.40/x
  3. Step 3: Cross multiply
    5,978,488,140.20x = 8,967,732,210.30 × 3,914,575,999.40
  4. Step 4: Simplify right side
    5,978,488,140.20x = 35,104,869,279,486,693,376
  5. Step 5: Solve for x
    x = 35,104,869,279,486,693,376/5,978,488,140.20
  6. Step 6: Final answer
    x = 5,871,863,999.10

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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.