Home / 727,232,866.74-1,003,584,420.92-409,696,922.50

Finding the Fourth Proportional to 727,232,866.74, 1,003,584,420.92 and 409,696,922.50

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Solution

The fourth proportional to 727,232,866.74, 1,003,584,420.92 and 409,696,922.50 is: 565,383,479.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,232,866.74 : 1,003,584,420.92 = 409,696,922.50 : x
  2. Step 2: Convert to fraction form
    727,232,866.74/1,003,584,420.92 = 409,696,922.50/x
  3. Step 3: Cross multiply
    727,232,866.74x = 1,003,584,420.92 × 409,696,922.50
  4. Step 4: Simplify right side
    727,232,866.74x = 411,165,448,718,383,936
  5. Step 5: Solve for x
    x = 411,165,448,718,383,936/727,232,866.74
  6. Step 6: Final answer
    x = 565,383,479.66

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.