Home / 2,640,151,989.70-3,960,227,984.55-1,329,547,624.90

Finding the Fourth Proportional to 2,640,151,989.70, 3,960,227,984.55 and 1,329,547,624.90

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Solution

The fourth proportional to 2,640,151,989.70, 3,960,227,984.55 and 1,329,547,624.90 is: 1,994,321,437.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,640,151,989.70 : 3,960,227,984.55 = 1,329,547,624.90 : x
  2. Step 2: Convert to fraction form
    2,640,151,989.70/3,960,227,984.55 = 1,329,547,624.90/x
  3. Step 3: Cross multiply
    2,640,151,989.70x = 3,960,227,984.55 × 1,329,547,624.90
  4. Step 4: Simplify right side
    2,640,151,989.70x = 5,265,311,710,920,967,168
  5. Step 5: Solve for x
    x = 5,265,311,710,920,967,168/2,640,151,989.70
  6. Step 6: Final answer
    x = 1,994,321,437.35

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Double scale
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Similar ratio
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1.5x scale

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.