Home / 1,157,169,810.70-1,596,907,246.44-680,965,432.30

Finding the Fourth Proportional to 1,157,169,810.70, 1,596,907,246.44 and 680,965,432.30

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Solution

The fourth proportional to 1,157,169,810.70, 1,596,907,246.44 and 680,965,432.30 is: 939,739,892.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,157,169,810.70 : 1,596,907,246.44 = 680,965,432.30 : x
  2. Step 2: Convert to fraction form
    1,157,169,810.70/1,596,907,246.44 = 680,965,432.30/x
  3. Step 3: Cross multiply
    1,157,169,810.70x = 1,596,907,246.44 × 680,965,432.30
  4. Step 4: Simplify right side
    1,157,169,810.70x = 1,087,438,633,415,017,216
  5. Step 5: Solve for x
    x = 1,087,438,633,415,017,216/1,157,169,810.70
  6. Step 6: Final answer
    x = 939,739,892.42

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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.