Home / 545,223,428.90-817,835,143.35-327,545,195.30

Finding the Fourth Proportional to 545,223,428.90, 817,835,143.35 and 327,545,195.30

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Solution

The fourth proportional to 545,223,428.90, 817,835,143.35 and 327,545,195.30 is: 491,317,792.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,223,428.90 : 817,835,143.35 = 327,545,195.30 : x
  2. Step 2: Convert to fraction form
    545,223,428.90/817,835,143.35 = 327,545,195.30/x
  3. Step 3: Cross multiply
    545,223,428.90x = 817,835,143.35 × 327,545,195.30
  4. Step 4: Simplify right side
    545,223,428.90x = 267,877,971,751,779,264
  5. Step 5: Solve for x
    x = 267,877,971,751,779,264/545,223,428.90
  6. Step 6: Final answer
    x = 491,317,792.95

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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.