Home / 2,093,164,847.20-3,139,747,270.80-639,139,938.40

Finding the Fourth Proportional to 2,093,164,847.20, 3,139,747,270.80 and 639,139,938.40

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Solution

The fourth proportional to 2,093,164,847.20, 3,139,747,270.80 and 639,139,938.40 is: 958,709,907.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,093,164,847.20 : 3,139,747,270.80 = 639,139,938.40 : x
  2. Step 2: Convert to fraction form
    2,093,164,847.20/3,139,747,270.80 = 639,139,938.40/x
  3. Step 3: Cross multiply
    2,093,164,847.20x = 3,139,747,270.80 × 639,139,938.40
  4. Step 4: Simplify right side
    2,093,164,847.20x = 2,006,737,877,250,680,064
  5. Step 5: Solve for x
    x = 2,006,737,877,250,680,064/2,093,164,847.20
  6. Step 6: Final answer
    x = 958,709,907.60

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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.