Home / 511,068,768.30-766,603,152.45-220,075,296.30

Finding the Fourth Proportional to 511,068,768.30, 766,603,152.45 and 220,075,296.30

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Solution

The fourth proportional to 511,068,768.30, 766,603,152.45 and 220,075,296.30 is: 330,112,944.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    511,068,768.30 : 766,603,152.45 = 220,075,296.30 : x
  2. Step 2: Convert to fraction form
    511,068,768.30/766,603,152.45 = 220,075,296.30/x
  3. Step 3: Cross multiply
    511,068,768.30x = 766,603,152.45 × 220,075,296.30
  4. Step 4: Simplify right side
    511,068,768.30x = 168,710,415,919,947,840
  5. Step 5: Solve for x
    x = 168,710,415,919,947,840/511,068,768.30
  6. Step 6: Final answer
    x = 330,112,944.45

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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.