Home / 580,263,963.40-870,395,945.10-526,694,710.60

Finding the Fourth Proportional to 580,263,963.40, 870,395,945.10 and 526,694,710.60

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Solution

The fourth proportional to 580,263,963.40, 870,395,945.10 and 526,694,710.60 is: 790,042,065.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    580,263,963.40 : 870,395,945.10 = 526,694,710.60 : x
  2. Step 2: Convert to fraction form
    580,263,963.40/870,395,945.10 = 526,694,710.60/x
  3. Step 3: Cross multiply
    580,263,963.40x = 870,395,945.10 × 526,694,710.60
  4. Step 4: Simplify right side
    580,263,963.40x = 458,432,940,411,858,048
  5. Step 5: Solve for x
    x = 458,432,940,411,858,048/580,263,963.40
  6. Step 6: Final answer
    x = 790,042,065.90

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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.