Home / 2,093,164,854.20-3,139,747,281.30-639,139,945.40

Finding the Fourth Proportional to 2,093,164,854.20, 3,139,747,281.30 and 639,139,945.40

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Solution

The fourth proportional to 2,093,164,854.20, 3,139,747,281.30 and 639,139,945.40 is: 958,709,918.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,093,164,854.20 : 3,139,747,281.30 = 639,139,945.40 : x
  2. Step 2: Convert to fraction form
    2,093,164,854.20/3,139,747,281.30 = 639,139,945.40/x
  3. Step 3: Cross multiply
    2,093,164,854.20x = 3,139,747,281.30 × 639,139,945.40
  4. Step 4: Simplify right side
    2,093,164,854.20x = 2,006,737,905,939,880,448
  5. Step 5: Solve for x
    x = 2,006,737,905,939,880,448/2,093,164,854.20
  6. Step 6: Final answer
    x = 958,709,918.10

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Double scale
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Similar ratio
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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.