Home / 424,334,079.36-636,501,295.44-190,892,122.56

Finding the Fourth Proportional to 424,334,079.36, 636,501,295.44 and 190,892,122.56

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Solution

The fourth proportional to 424,334,079.36, 636,501,295.44 and 190,892,122.56 is: 286,338,263.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,334,079.36 : 636,501,295.44 = 190,892,122.56 : x
  2. Step 2: Convert to fraction form
    424,334,079.36/636,501,295.44 = 190,892,122.56/x
  3. Step 3: Cross multiply
    424,334,079.36x = 636,501,295.44 × 190,892,122.56
  4. Step 4: Simplify right side
    424,334,079.36x = 121,503,083,298,731,264
  5. Step 5: Solve for x
    x = 121,503,083,298,731,264/424,334,079.36
  6. Step 6: Final answer
    x = 286,338,263.20

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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.