Home / 1,218,889,692.10-1,828,334,538.15-851,557,672.90

Finding the Fourth Proportional to 1,218,889,692.10, 1,828,334,538.15 and 851,557,672.90

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Solution

The fourth proportional to 1,218,889,692.10, 1,828,334,538.15 and 851,557,672.90 is: 1,277,336,509.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,218,889,692.10 : 1,828,334,538.15 = 851,557,672.90 : x
  2. Step 2: Convert to fraction form
    1,218,889,692.10/1,828,334,538.15 = 851,557,672.90/x
  3. Step 3: Cross multiply
    1,218,889,692.10x = 1,828,334,538.15 × 851,557,672.90
  4. Step 4: Simplify right side
    1,218,889,692.10x = 1,556,932,304,589,710,336
  5. Step 5: Solve for x
    x = 1,556,932,304,589,710,336/1,218,889,692.10
  6. Step 6: Final answer
    x = 1,277,336,509.35

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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.