Home / 682,581,538.21-941,962,508.09-369,315,752.26

Finding the Fourth Proportional to 682,581,538.21, 941,962,508.09 and 369,315,752.26

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Solution

The fourth proportional to 682,581,538.21, 941,962,508.09 and 369,315,752.26 is: 509,655,730.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    682,581,538.21 : 941,962,508.09 = 369,315,752.26 : x
  2. Step 2: Convert to fraction form
    682,581,538.21/941,962,508.09 = 369,315,752.26/x
  3. Step 3: Cross multiply
    682,581,538.21x = 941,962,508.09 × 369,315,752.26
  4. Step 4: Simplify right side
    682,581,538.21x = 347,881,592,275,974,720
  5. Step 5: Solve for x
    x = 347,881,592,275,974,720/682,581,538.21
  6. Step 6: Final answer
    x = 509,655,730.20

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Double scale
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1.5x scale

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.