Home / 511,153,030.40-766,206,998.40-251,969,619.20

Finding the Fourth Proportional to 511,153,030.40, 766,206,998.40 and 251,969,619.20

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Solution

The fourth proportional to 511,153,030.40, 766,206,998.40 and 251,969,619.20 is: 377,696,842.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    511,153,030.40 : 766,206,998.40 = 251,969,619.20 : x
  2. Step 2: Convert to fraction form
    511,153,030.40/766,206,998.40 = 251,969,619.20/x
  3. Step 3: Cross multiply
    511,153,030.40x = 766,206,998.40 × 251,969,619.20
  4. Step 4: Simplify right side
    511,153,030.40x = 193,060,885,615,223,008
  5. Step 5: Solve for x
    x = 193,060,885,615,223,008/511,153,030.40
  6. Step 6: Final answer
    x = 377,696,842.50

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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.