Home / 511,392,263.02-767,102,686.47-166,345,891.30

Finding the Fourth Proportional to 511,392,263.02, 767,102,686.47 and 166,345,891.30

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Solution

The fourth proportional to 511,392,263.02, 767,102,686.47 and 166,345,891.30 is: 249,523,485.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    511,392,263.02 : 767,102,686.47 = 166,345,891.30 : x
  2. Step 2: Convert to fraction form
    511,392,263.02/767,102,686.47 = 166,345,891.30/x
  3. Step 3: Cross multiply
    511,392,263.02x = 767,102,686.47 × 166,345,891.30
  4. Step 4: Simplify right side
    511,392,263.02x = 127,604,380,099,476,608
  5. Step 5: Solve for x
    x = 127,604,380,099,476,608/511,392,263.02
  6. Step 6: Final answer
    x = 249,523,485.84

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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.