Home / 511,085,333.70-766,628,000.55-166,050,216.90

Finding the Fourth Proportional to 511,085,333.70, 766,628,000.55 and 166,050,216.90

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Solution

The fourth proportional to 511,085,333.70, 766,628,000.55 and 166,050,216.90 is: 249,075,325.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    511,085,333.70 : 766,628,000.55 = 166,050,216.90 : x
  2. Step 2: Convert to fraction form
    511,085,333.70/766,628,000.55 = 166,050,216.90/x
  3. Step 3: Cross multiply
    511,085,333.70x = 766,628,000.55 × 166,050,216.90
  4. Step 4: Simplify right side
    511,085,333.70x = 127,298,745,772,940,816
  5. Step 5: Solve for x
    x = 127,298,745,772,940,816/511,085,333.70
  6. Step 6: Final answer
    x = 249,075,325.35

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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.