Home / 827,743,581.87-1,240,592,976.12-710,333,650.34

Finding the Fourth Proportional to 827,743,581.87, 1,240,592,976.12 and 710,333,650.34

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Solution

The fourth proportional to 827,743,581.87, 1,240,592,976.12 and 710,333,650.34 is: 1,064,623,099.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    827,743,581.87 : 1,240,592,976.12 = 710,333,650.34 : x
  2. Step 2: Convert to fraction form
    827,743,581.87/1,240,592,976.12 = 710,333,650.34/x
  3. Step 3: Cross multiply
    827,743,581.87x = 1,240,592,976.12 × 710,333,650.34
  4. Step 4: Simplify right side
    827,743,581.87x = 881,234,937,310,583,680
  5. Step 5: Solve for x
    x = 881,234,937,310,583,680/827,743,581.87
  6. Step 6: Final answer
    x = 1,064,623,099.01

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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.