Home / 793,156,809.70-1,189,735,214.55-640,101,801.70

Finding the Fourth Proportional to 793,156,809.70, 1,189,735,214.55 and 640,101,801.70

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Solution

The fourth proportional to 793,156,809.70, 1,189,735,214.55 and 640,101,801.70 is: 960,152,702.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    793,156,809.70 : 1,189,735,214.55 = 640,101,801.70 : x
  2. Step 2: Convert to fraction form
    793,156,809.70/1,189,735,214.55 = 640,101,801.70/x
  3. Step 3: Cross multiply
    793,156,809.70x = 1,189,735,214.55 × 640,101,801.70
  4. Step 4: Simplify right side
    793,156,809.70x = 761,551,654,379,391,104
  5. Step 5: Solve for x
    x = 761,551,654,379,391,104/793,156,809.70
  6. Step 6: Final answer
    x = 960,152,702.55

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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.