Home / 862,780,509.60-1,294,170,764.40-587,281,495.20

Finding the Fourth Proportional to 862,780,509.60, 1,294,170,764.40 and 587,281,495.20

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Solution

The fourth proportional to 862,780,509.60, 1,294,170,764.40 and 587,281,495.20 is: 880,922,242.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    862,780,509.60 : 1,294,170,764.40 = 587,281,495.20 : x
  2. Step 2: Convert to fraction form
    862,780,509.60/1,294,170,764.40 = 587,281,495.20/x
  3. Step 3: Cross multiply
    862,780,509.60x = 1,294,170,764.40 × 587,281,495.20
  4. Step 4: Simplify right side
    862,780,509.60x = 760,042,541,560,959,104
  5. Step 5: Solve for x
    x = 760,042,541,560,959,104/862,780,509.60
  6. Step 6: Final answer
    x = 880,922,242.80

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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.