Home / 511,068,943.80-766,603,415.70-220,075,471.80

Finding the Fourth Proportional to 511,068,943.80, 766,603,415.70 and 220,075,471.80

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Solution

The fourth proportional to 511,068,943.80, 766,603,415.70 and 220,075,471.80 is: 330,113,207.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    511,068,943.80 : 766,603,415.70 = 220,075,471.80 : x
  2. Step 2: Convert to fraction form
    511,068,943.80/766,603,415.70 = 220,075,471.80/x
  3. Step 3: Cross multiply
    511,068,943.80x = 766,603,415.70 × 220,075,471.80
  4. Step 4: Simplify right side
    511,068,943.80x = 168,710,608,393,669,056
  5. Step 5: Solve for x
    x = 168,710,608,393,669,056/511,068,943.80
  6. Step 6: Final answer
    x = 330,113,207.70

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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.