Home / 568,655,999.60-852,983,999.40-465,343,869.20

Finding the Fourth Proportional to 568,655,999.60, 852,983,999.40 and 465,343,869.20

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Solution

The fourth proportional to 568,655,999.60, 852,983,999.40 and 465,343,869.20 is: 698,015,803.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,655,999.60 : 852,983,999.40 = 465,343,869.20 : x
  2. Step 2: Convert to fraction form
    568,655,999.60/852,983,999.40 = 465,343,869.20/x
  3. Step 3: Cross multiply
    568,655,999.60x = 852,983,999.40 × 465,343,869.20
  4. Step 4: Simplify right side
    568,655,999.60x = 396,930,874,646,486,464
  5. Step 5: Solve for x
    x = 396,930,874,646,486,464/568,655,999.60
  6. Step 6: Final answer
    x = 698,015,803.80

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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.