Home / 1,182,245,514.80-1,770,344,963.40-873,868,017.20

Finding the Fourth Proportional to 1,182,245,514.80, 1,770,344,963.40 and 873,868,017.20

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Solution

The fourth proportional to 1,182,245,514.80, 1,770,344,963.40 and 873,868,017.20 is: 1,308,567,318.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,182,245,514.80 : 1,770,344,963.40 = 873,868,017.20 : x
  2. Step 2: Convert to fraction form
    1,182,245,514.80/1,770,344,963.40 = 873,868,017.20/x
  3. Step 3: Cross multiply
    1,182,245,514.80x = 1,770,344,963.40 × 873,868,017.20
  4. Step 4: Simplify right side
    1,182,245,514.80x = 1,547,047,842,926,364,672
  5. Step 5: Solve for x
    x = 1,547,047,842,926,364,672/1,182,245,514.80
  6. Step 6: Final answer
    x = 1,308,567,318.34

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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.