Home / 830,345,226.40-1,245,517,839.60-524,580,464.80

Finding the Fourth Proportional to 830,345,226.40, 1,245,517,839.60 and 524,580,464.80

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Solution

The fourth proportional to 830,345,226.40, 1,245,517,839.60 and 524,580,464.80 is: 786,870,697.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,345,226.40 : 1,245,517,839.60 = 524,580,464.80 : x
  2. Step 2: Convert to fraction form
    830,345,226.40/1,245,517,839.60 = 524,580,464.80/x
  3. Step 3: Cross multiply
    830,345,226.40x = 1,245,517,839.60 × 524,580,464.80
  4. Step 4: Simplify right side
    830,345,226.40x = 653,374,327,214,059,776
  5. Step 5: Solve for x
    x = 653,374,327,214,059,776/830,345,226.40
  6. Step 6: Final answer
    x = 786,870,697.20

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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.