Home / 1,677,122,200.80-2,515,683,301.20-512,588,440.80

Finding the Fourth Proportional to 1,677,122,200.80, 2,515,683,301.20 and 512,588,440.80

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Solution

The fourth proportional to 1,677,122,200.80, 2,515,683,301.20 and 512,588,440.80 is: 768,882,661.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,677,122,200.80 : 2,515,683,301.20 = 512,588,440.80 : x
  2. Step 2: Convert to fraction form
    1,677,122,200.80/2,515,683,301.20 = 512,588,440.80/x
  3. Step 3: Cross multiply
    1,677,122,200.80x = 2,515,683,301.20 × 512,588,440.80
  4. Step 4: Simplify right side
    1,677,122,200.80x = 1,289,510,180,908,704,768
  5. Step 5: Solve for x
    x = 1,289,510,180,908,704,768/1,677,122,200.80
  6. Step 6: Final answer
    x = 768,882,661.20

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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.