Home / 12,877,056,145.20-19,315,584,217.80-12,369,140,266.80

Finding the Fourth Proportional to 12,877,056,145.20, 19,315,584,217.80 and 12,369,140,266.80

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Solution

The fourth proportional to 12,877,056,145.20, 19,315,584,217.80 and 12,369,140,266.80 is: 18,553,710,400.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,877,056,145.20 : 19,315,584,217.80 = 12,369,140,266.80 : x
  2. Step 2: Convert to fraction form
    12,877,056,145.20/19,315,584,217.80 = 12,369,140,266.80/x
  3. Step 3: Cross multiply
    12,877,056,145.20x = 19,315,584,217.80 × 12,369,140,266.80
  4. Step 4: Simplify right side
    12,877,056,145.20x = 238,917,170,525,156,540,416
  5. Step 5: Solve for x
    x = 238,917,170,525,156,540,416/12,877,056,145.20
  6. Step 6: Final answer
    x = 18,553,710,400.20

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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.