Home / 909,428,905.20-1,364,143,357.80-327,182,145.60

Finding the Fourth Proportional to 909,428,905.20, 1,364,143,357.80 and 327,182,145.60

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Solution

The fourth proportional to 909,428,905.20, 1,364,143,357.80 and 327,182,145.60 is: 490,773,218.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    909,428,905.20 : 1,364,143,357.80 = 327,182,145.60 : x
  2. Step 2: Convert to fraction form
    909,428,905.20/1,364,143,357.80 = 327,182,145.60/x
  3. Step 3: Cross multiply
    909,428,905.20x = 1,364,143,357.80 × 327,182,145.60
  4. Step 4: Simplify right side
    909,428,905.20x = 446,323,350,710,992,512
  5. Step 5: Solve for x
    x = 446,323,350,710,992,512/909,428,905.20
  6. Step 6: Final answer
    x = 490,773,218.40

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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.