Home / 793,156,852.20-1,189,735,278.30-640,101,844.20

Finding the Fourth Proportional to 793,156,852.20, 1,189,735,278.30 and 640,101,844.20

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Solution

The fourth proportional to 793,156,852.20, 1,189,735,278.30 and 640,101,844.20 is: 960,152,766.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    793,156,852.20 : 1,189,735,278.30 = 640,101,844.20 : x
  2. Step 2: Convert to fraction form
    793,156,852.20/1,189,735,278.30 = 640,101,844.20/x
  3. Step 3: Cross multiply
    793,156,852.20x = 1,189,735,278.30 × 640,101,844.20
  4. Step 4: Simplify right side
    793,156,852.20x = 761,551,745,749,630,208
  5. Step 5: Solve for x
    x = 761,551,745,749,630,208/793,156,852.20
  6. Step 6: Final answer
    x = 960,152,766.30

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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.