Home / 1,012,715,085.96-1,519,064,095.32-791,572,437.54

Finding the Fourth Proportional to 1,012,715,085.96, 1,519,064,095.32 and 791,572,437.54

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Solution

The fourth proportional to 1,012,715,085.96, 1,519,064,095.32 and 791,572,437.54 is: 1,187,351,986.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,012,715,085.96 : 1,519,064,095.32 = 791,572,437.54 : x
  2. Step 2: Convert to fraction form
    1,012,715,085.96/1,519,064,095.32 = 791,572,437.54/x
  3. Step 3: Cross multiply
    1,012,715,085.96x = 1,519,064,095.32 × 791,572,437.54
  4. Step 4: Simplify right side
    1,012,715,085.96x = 1,202,449,268,711,947,264
  5. Step 5: Solve for x
    x = 1,202,449,268,711,947,264/1,012,715,085.96
  6. Step 6: Final answer
    x = 1,187,351,986.14

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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.