Home / 435,696,540.20-653,544,810.30-402,440,143.40

Finding the Fourth Proportional to 435,696,540.20, 653,544,810.30 and 402,440,143.40

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Solution

The fourth proportional to 435,696,540.20, 653,544,810.30 and 402,440,143.40 is: 603,660,215.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,696,540.20 : 653,544,810.30 = 402,440,143.40 : x
  2. Step 2: Convert to fraction form
    435,696,540.20/653,544,810.30 = 402,440,143.40/x
  3. Step 3: Cross multiply
    435,696,540.20x = 653,544,810.30 × 402,440,143.40
  4. Step 4: Simplify right side
    435,696,540.20x = 263,012,667,175,457,760
  5. Step 5: Solve for x
    x = 263,012,667,175,457,760/435,696,540.20
  6. Step 6: Final answer
    x = 603,660,215.10

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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.