Home / 550,296,717.21-825,962,232.20-288,169,407.45

Finding the Fourth Proportional to 550,296,717.21, 825,962,232.20 and 288,169,407.45

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Solution

The fourth proportional to 550,296,717.21, 825,962,232.20 and 288,169,407.45 is: 432,524,926.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,296,717.21 : 825,962,232.20 = 288,169,407.45 : x
  2. Step 2: Convert to fraction form
    550,296,717.21/825,962,232.20 = 288,169,407.45/x
  3. Step 3: Cross multiply
    550,296,717.21x = 825,962,232.20 × 288,169,407.45
  4. Step 4: Simplify right side
    550,296,717.21x = 238,017,047,027,712,480
  5. Step 5: Solve for x
    x = 238,017,047,027,712,480/550,296,717.21
  6. Step 6: Final answer
    x = 432,524,926.25

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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.