Home / 773,669,475.60-1,160,504,213.40-386,248,986.60

Finding the Fourth Proportional to 773,669,475.60, 1,160,504,213.40 and 386,248,986.60

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Solution

The fourth proportional to 773,669,475.60, 1,160,504,213.40 and 386,248,986.60 is: 579,373,479.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    773,669,475.60 : 1,160,504,213.40 = 386,248,986.60 : x
  2. Step 2: Convert to fraction form
    773,669,475.60/1,160,504,213.40 = 386,248,986.60/x
  3. Step 3: Cross multiply
    773,669,475.60x = 1,160,504,213.40 × 386,248,986.60
  4. Step 4: Simplify right side
    773,669,475.60x = 448,243,576,370,780,224
  5. Step 5: Solve for x
    x = 448,243,576,370,780,224/773,669,475.60
  6. Step 6: Final answer
    x = 579,373,479.90

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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.