Home / 5,280,587,676.40-7,920,881,514.60-4,428,262,600.60

Finding the Fourth Proportional to 5,280,587,676.40, 7,920,881,514.60 and 4,428,262,600.60

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Solution

The fourth proportional to 5,280,587,676.40, 7,920,881,514.60 and 4,428,262,600.60 is: 6,642,393,900.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,280,587,676.40 : 7,920,881,514.60 = 4,428,262,600.60 : x
  2. Step 2: Convert to fraction form
    5,280,587,676.40/7,920,881,514.60 = 4,428,262,600.60/x
  3. Step 3: Cross multiply
    5,280,587,676.40x = 7,920,881,514.60 × 4,428,262,600.60
  4. Step 4: Simplify right side
    5,280,587,676.40x = 35,075,743,374,887,067,648
  5. Step 5: Solve for x
    x = 35,075,743,374,887,067,648/5,280,587,676.40
  6. Step 6: Final answer
    x = 6,642,393,900.90

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1.5x scale

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.