Home / 1,311,233,983.16-1,809,606,068.21-746,742,754.85

Finding the Fourth Proportional to 1,311,233,983.16, 1,809,606,068.21 and 746,742,754.85

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Solution

The fourth proportional to 1,311,233,983.16, 1,809,606,068.21 and 746,742,754.85 is: 1,030,563,757.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,311,233,983.16 : 1,809,606,068.21 = 746,742,754.85 : x
  2. Step 2: Convert to fraction form
    1,311,233,983.16/1,809,606,068.21 = 746,742,754.85/x
  3. Step 3: Cross multiply
    1,311,233,983.16x = 1,809,606,068.21 × 746,742,754.85
  4. Step 4: Simplify right side
    1,311,233,983.16x = 1,351,310,220,555,630,592
  5. Step 5: Solve for x
    x = 1,351,310,220,555,630,592/1,311,233,983.16
  6. Step 6: Final answer
    x = 1,030,563,757.43

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Double scale
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1.5x scale

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.