Home / 12,877,056,123.20-19,315,584,184.80-12,369,140,244.80

Finding the Fourth Proportional to 12,877,056,123.20, 19,315,584,184.80 and 12,369,140,244.80

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Solution

The fourth proportional to 12,877,056,123.20, 19,315,584,184.80 and 12,369,140,244.80 is: 18,553,710,367.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,877,056,123.20 : 19,315,584,184.80 = 12,369,140,244.80 : x
  2. Step 2: Convert to fraction form
    12,877,056,123.20/19,315,584,184.80 = 12,369,140,244.80/x
  3. Step 3: Cross multiply
    12,877,056,123.20x = 19,315,584,184.80 × 12,369,140,244.80
  4. Step 4: Simplify right side
    12,877,056,123.20x = 238,917,169,692,032,040,960
  5. Step 5: Solve for x
    x = 238,917,169,692,032,040,960/12,877,056,123.20
  6. Step 6: Final answer
    x = 18,553,710,367.20

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Double scale
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1.5x scale

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.