Home / 804,835,331.40-1,207,252,997.10-494,898,940.20

Finding the Fourth Proportional to 804,835,331.40, 1,207,252,997.10 and 494,898,940.20

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Solution

The fourth proportional to 804,835,331.40, 1,207,252,997.10 and 494,898,940.20 is: 742,348,410.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,835,331.40 : 1,207,252,997.10 = 494,898,940.20 : x
  2. Step 2: Convert to fraction form
    804,835,331.40/1,207,252,997.10 = 494,898,940.20/x
  3. Step 3: Cross multiply
    804,835,331.40x = 1,207,252,997.10 × 494,898,940.20
  4. Step 4: Simplify right side
    804,835,331.40x = 597,468,228,818,063,616
  5. Step 5: Solve for x
    x = 597,468,228,818,063,616/804,835,331.40
  6. Step 6: Final answer
    x = 742,348,410.30

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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.