Home / 832,710,288.20-1,248,169,637.10-314,940,662.60

Finding the Fourth Proportional to 832,710,288.20, 1,248,169,637.10 and 314,940,662.60

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Solution

The fourth proportional to 832,710,288.20, 1,248,169,637.10 and 314,940,662.60 is: 472,072,193.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    832,710,288.20 : 1,248,169,637.10 = 314,940,662.60 : x
  2. Step 2: Convert to fraction form
    832,710,288.20/1,248,169,637.10 = 314,940,662.60/x
  3. Step 3: Cross multiply
    832,710,288.20x = 1,248,169,637.10 × 314,940,662.60
  4. Step 4: Simplify right side
    832,710,288.20x = 393,099,372,545,475,520
  5. Step 5: Solve for x
    x = 393,099,372,545,475,520/832,710,288.20
  6. Step 6: Final answer
    x = 472,072,193.79

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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.