Home / 793,156,853.20-1,189,735,279.80-640,101,845.20

Finding the Fourth Proportional to 793,156,853.20, 1,189,735,279.80 and 640,101,845.20

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Solution

The fourth proportional to 793,156,853.20, 1,189,735,279.80 and 640,101,845.20 is: 960,152,767.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    793,156,853.20 : 1,189,735,279.80 = 640,101,845.20 : x
  2. Step 2: Convert to fraction form
    793,156,853.20/1,189,735,279.80 = 640,101,845.20/x
  3. Step 3: Cross multiply
    793,156,853.20x = 1,189,735,279.80 × 640,101,845.20
  4. Step 4: Simplify right side
    793,156,853.20x = 761,551,747,899,518,336
  5. Step 5: Solve for x
    x = 761,551,747,899,518,336/793,156,853.20
  6. Step 6: Final answer
    x = 960,152,767.80

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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.