Home / 825,477,788.41-1,238,761,492.71-437,573,023.80

Finding the Fourth Proportional to 825,477,788.41, 1,238,761,492.71 and 437,573,023.80

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Solution

The fourth proportional to 825,477,788.41, 1,238,761,492.71 and 437,573,023.80 is: 656,648,331.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    825,477,788.41 : 1,238,761,492.71 = 437,573,023.80 : x
  2. Step 2: Convert to fraction form
    825,477,788.41/1,238,761,492.71 = 437,573,023.80/x
  3. Step 3: Cross multiply
    825,477,788.41x = 1,238,761,492.71 × 437,573,023.80
  4. Step 4: Simplify right side
    825,477,788.41x = 542,048,612,128,289,984
  5. Step 5: Solve for x
    x = 542,048,612,128,289,984/825,477,788.41
  6. Step 6: Final answer
    x = 656,648,331.11

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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.