Home / 532,237,136.20-798,355,704.30-388,909,904.20

Finding the Fourth Proportional to 532,237,136.20, 798,355,704.30 and 388,909,904.20

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Solution

The fourth proportional to 532,237,136.20, 798,355,704.30 and 388,909,904.20 is: 583,364,856.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,237,136.20 : 798,355,704.30 = 388,909,904.20 : x
  2. Step 2: Convert to fraction form
    532,237,136.20/798,355,704.30 = 388,909,904.20/x
  3. Step 3: Cross multiply
    532,237,136.20x = 798,355,704.30 × 388,909,904.20
  4. Step 4: Simplify right side
    532,237,136.20x = 310,488,440,476,836,480
  5. Step 5: Solve for x
    x = 310,488,440,476,836,480/532,237,136.20
  6. Step 6: Final answer
    x = 583,364,856.30

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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.