Home / 580,309,439.40-870,464,159.10-448,795,506.60

Finding the Fourth Proportional to 580,309,439.40, 870,464,159.10 and 448,795,506.60

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Solution

The fourth proportional to 580,309,439.40, 870,464,159.10 and 448,795,506.60 is: 673,193,259.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    580,309,439.40 : 870,464,159.10 = 448,795,506.60 : x
  2. Step 2: Convert to fraction form
    580,309,439.40/870,464,159.10 = 448,795,506.60/x
  3. Step 3: Cross multiply
    580,309,439.40x = 870,464,159.10 × 448,795,506.60
  4. Step 4: Simplify right side
    580,309,439.40x = 390,660,403,260,427,520
  5. Step 5: Solve for x
    x = 390,660,403,260,427,520/580,309,439.40
  6. Step 6: Final answer
    x = 673,193,259.90

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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.