Home / 2,640,151,972.20-3,960,227,958.30-1,329,547,607.40

Finding the Fourth Proportional to 2,640,151,972.20, 3,960,227,958.30 and 1,329,547,607.40

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Solution

The fourth proportional to 2,640,151,972.20, 3,960,227,958.30 and 1,329,547,607.40 is: 1,994,321,411.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,640,151,972.20 : 3,960,227,958.30 = 1,329,547,607.40 : x
  2. Step 2: Convert to fraction form
    2,640,151,972.20/3,960,227,958.30 = 1,329,547,607.40/x
  3. Step 3: Cross multiply
    2,640,151,972.20x = 3,960,227,958.30 × 1,329,547,607.40
  4. Step 4: Simplify right side
    2,640,151,972.20x = 5,265,311,606,716,352,512
  5. Step 5: Solve for x
    x = 5,265,311,606,716,352,512/2,640,151,972.20
  6. Step 6: Final answer
    x = 1,994,321,411.10

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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.