Home / 811,833,061.85-1,217,928,954.09-294,250,050.21

Finding the Fourth Proportional to 811,833,061.85, 1,217,928,954.09 and 294,250,050.21

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Solution

The fourth proportional to 811,833,061.85, 1,217,928,954.09 and 294,250,050.21 is: 441,440,085.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    811,833,061.85 : 1,217,928,954.09 = 294,250,050.21 : x
  2. Step 2: Convert to fraction form
    811,833,061.85/1,217,928,954.09 = 294,250,050.21/x
  3. Step 3: Cross multiply
    811,833,061.85x = 1,217,928,954.09 × 294,250,050.21
  4. Step 4: Simplify right side
    811,833,061.85x = 358,375,655,893,195,264
  5. Step 5: Solve for x
    x = 358,375,655,893,195,264/811,833,061.85
  6. Step 6: Final answer
    x = 441,440,085.08

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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.