Home / 370,660,680.66-511,751,351.10-229,681,499.34

Finding the Fourth Proportional to 370,660,680.66, 511,751,351.10 and 229,681,499.34

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Solution

The fourth proportional to 370,660,680.66, 511,751,351.10 and 229,681,499.34 is: 317,108,945.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,660,680.66 : 511,751,351.10 = 229,681,499.34 : x
  2. Step 2: Convert to fraction form
    370,660,680.66/511,751,351.10 = 229,681,499.34/x
  3. Step 3: Cross multiply
    370,660,680.66x = 511,751,351.10 × 229,681,499.34
  4. Step 4: Simplify right side
    370,660,680.66x = 117,539,817,609,918,768
  5. Step 5: Solve for x
    x = 117,539,817,609,918,768/370,660,680.66
  6. Step 6: Final answer
    x = 317,108,945.57

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.