Home / 814,526,810.55-1,221,790,215.83-201,111,036.30

Finding the Fourth Proportional to 814,526,810.55, 1,221,790,215.83 and 201,111,036.30

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Solution

The fourth proportional to 814,526,810.55, 1,221,790,215.83 and 201,111,036.30 is: 301,666,554.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    814,526,810.55 : 1,221,790,215.83 = 201,111,036.30 : x
  2. Step 2: Convert to fraction form
    814,526,810.55/1,221,790,215.83 = 201,111,036.30/x
  3. Step 3: Cross multiply
    814,526,810.55x = 1,221,790,215.83 × 201,111,036.30
  4. Step 4: Simplify right side
    814,526,810.55x = 245,715,496,445,766,432
  5. Step 5: Solve for x
    x = 245,715,496,445,766,432/814,526,810.55
  6. Step 6: Final answer
    x = 301,666,554.45

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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.