Home / 819,220,135.50-1,228,831,385.94-334,545,943.50

Finding the Fourth Proportional to 819,220,135.50, 1,228,831,385.94 and 334,545,943.50

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Solution

The fourth proportional to 819,220,135.50, 1,228,831,385.94 and 334,545,943.50 is: 501,819,398.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    819,220,135.50 : 1,228,831,385.94 = 334,545,943.50 : x
  2. Step 2: Convert to fraction form
    819,220,135.50/1,228,831,385.94 = 334,545,943.50/x
  3. Step 3: Cross multiply
    819,220,135.50x = 1,228,831,385.94 × 334,545,943.50
  4. Step 4: Simplify right side
    819,220,135.50x = 411,100,555,411,709,952
  5. Step 5: Solve for x
    x = 411,100,555,411,709,952/819,220,135.50
  6. Step 6: Final answer
    x = 501,819,398.23

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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.