Home / 880,317,983.79-1,320,396,012.95-297,985,668.75

Finding the Fourth Proportional to 880,317,983.79, 1,320,396,012.95 and 297,985,668.75

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Solution

The fourth proportional to 880,317,983.79, 1,320,396,012.95 and 297,985,668.75 is: 446,951,097.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    880,317,983.79 : 1,320,396,012.95 = 297,985,668.75 : x
  2. Step 2: Convert to fraction form
    880,317,983.79/1,320,396,012.95 = 297,985,668.75/x
  3. Step 3: Cross multiply
    880,317,983.79x = 1,320,396,012.95 × 297,985,668.75
  4. Step 4: Simplify right side
    880,317,983.79x = 393,459,088,932,249,472
  5. Step 5: Solve for x
    x = 393,459,088,932,249,472/880,317,983.79
  6. Step 6: Final answer
    x = 446,951,097.42

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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.