Home / 797,078,932.95-1,100,187,735.45-462,659,193.72

Finding the Fourth Proportional to 797,078,932.95, 1,100,187,735.45 and 462,659,193.72

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Solution

The fourth proportional to 797,078,932.95, 1,100,187,735.45 and 462,659,193.72 is: 638,596,692.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    797,078,932.95 : 1,100,187,735.45 = 462,659,193.72 : x
  2. Step 2: Convert to fraction form
    797,078,932.95/1,100,187,735.45 = 462,659,193.72/x
  3. Step 3: Cross multiply
    797,078,932.95x = 1,100,187,735.45 × 462,659,193.72
  4. Step 4: Simplify right side
    797,078,932.95x = 509,011,970,623,929,728
  5. Step 5: Solve for x
    x = 509,011,970,623,929,728/797,078,932.95
  6. Step 6: Final answer
    x = 638,596,692.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.