Home / 885,959,098.40-1,328,938,647.60-523,162,042.40

Finding the Fourth Proportional to 885,959,098.40, 1,328,938,647.60 and 523,162,042.40

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Solution

The fourth proportional to 885,959,098.40, 1,328,938,647.60 and 523,162,042.40 is: 784,743,063.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,959,098.40 : 1,328,938,647.60 = 523,162,042.40 : x
  2. Step 2: Convert to fraction form
    885,959,098.40/1,328,938,647.60 = 523,162,042.40/x
  3. Step 3: Cross multiply
    885,959,098.40x = 1,328,938,647.60 × 523,162,042.40
  4. Step 4: Simplify right side
    885,959,098.40x = 695,250,257,102,709,760
  5. Step 5: Solve for x
    x = 695,250,257,102,709,760/885,959,098.40
  6. Step 6: Final answer
    x = 784,743,063.60

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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.