Home / 843,424,370.60-1,265,952,649.50-407,032,257.32

Finding the Fourth Proportional to 843,424,370.60, 1,265,952,649.50 and 407,032,257.32

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Solution

The fourth proportional to 843,424,370.60, 1,265,952,649.50 and 407,032,257.32 is: 610,942,228.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    843,424,370.60 : 1,265,952,649.50 = 407,032,257.32 : x
  2. Step 2: Convert to fraction form
    843,424,370.60/1,265,952,649.50 = 407,032,257.32/x
  3. Step 3: Cross multiply
    843,424,370.60x = 1,265,952,649.50 × 407,032,257.32
  4. Step 4: Simplify right side
    843,424,370.60x = 515,283,564,586,219,776
  5. Step 5: Solve for x
    x = 515,283,564,586,219,776/843,424,370.60
  6. Step 6: Final answer
    x = 610,942,228.55

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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.