Home / 1,065,379,601.60-1,598,069,402.40-338,441,796.80

Finding the Fourth Proportional to 1,065,379,601.60, 1,598,069,402.40 and 338,441,796.80

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Solution

The fourth proportional to 1,065,379,601.60, 1,598,069,402.40 and 338,441,796.80 is: 507,662,695.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,065,379,601.60 : 1,598,069,402.40 = 338,441,796.80 : x
  2. Step 2: Convert to fraction form
    1,065,379,601.60/1,598,069,402.40 = 338,441,796.80/x
  3. Step 3: Cross multiply
    1,065,379,601.60x = 1,598,069,402.40 × 338,441,796.80
  4. Step 4: Simplify right side
    1,065,379,601.60x = 540,853,479,959,358,272
  5. Step 5: Solve for x
    x = 540,853,479,959,358,272/1,065,379,601.60
  6. Step 6: Final answer
    x = 507,662,695.20

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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.