Home / 511,110,018.40-766,476,070.80-166,074,901.60

Finding the Fourth Proportional to 511,110,018.40, 766,476,070.80 and 166,074,901.60

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Solution

The fourth proportional to 511,110,018.40, 766,476,070.80 and 166,074,901.60 is: 249,050,954.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    511,110,018.40 : 766,476,070.80 = 166,074,901.60 : x
  2. Step 2: Convert to fraction form
    511,110,018.40/766,476,070.80 = 166,074,901.60/x
  3. Step 3: Cross multiply
    511,110,018.40x = 766,476,070.80 × 166,074,901.60
  4. Step 4: Simplify right side
    511,110,018.40x = 127,292,438,036,864,624
  5. Step 5: Solve for x
    x = 127,292,438,036,864,624/511,110,018.40
  6. Step 6: Final answer
    x = 249,050,954.70

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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.