Home / 10,865,018,830.80-16,297,528,246.20-3,878,057,715.60

Finding the Fourth Proportional to 10,865,018,830.80, 16,297,528,246.20 and 3,878,057,715.60

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Solution

The fourth proportional to 10,865,018,830.80, 16,297,528,246.20 and 3,878,057,715.60 is: 5,817,086,573.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,865,018,830.80 : 16,297,528,246.20 = 3,878,057,715.60 : x
  2. Step 2: Convert to fraction form
    10,865,018,830.80/16,297,528,246.20 = 3,878,057,715.60/x
  3. Step 3: Cross multiply
    10,865,018,830.80x = 16,297,528,246.20 × 3,878,057,715.60
  4. Step 4: Simplify right side
    10,865,018,830.80x = 63,202,755,160,384,847,872
  5. Step 5: Solve for x
    x = 63,202,755,160,384,847,872/10,865,018,830.80
  6. Step 6: Final answer
    x = 5,817,086,573.40

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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.