Home / 317,215,942.67-437,759,260.59-177,977,613.35

Finding the Fourth Proportional to 317,215,942.67, 437,759,260.59 and 177,977,613.35

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Solution

The fourth proportional to 317,215,942.67, 437,759,260.59 and 177,977,613.35 is: 245,609,813.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,215,942.67 : 437,759,260.59 = 177,977,613.35 : x
  2. Step 2: Convert to fraction form
    317,215,942.67/437,759,260.59 = 177,977,613.35/x
  3. Step 3: Cross multiply
    317,215,942.67x = 437,759,260.59 × 177,977,613.35
  4. Step 4: Simplify right side
    317,215,942.67x = 77,911,348,421,668,912
  5. Step 5: Solve for x
    x = 77,911,348,421,668,912/317,215,942.67
  6. Step 6: Final answer
    x = 245,609,813.20

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.