Home / 682,717,010.15-942,149,475.05-369,451,224

Finding the Fourth Proportional to 682,717,010.15, 942,149,475.05 and 369,451,224

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Solution

The fourth proportional to 682,717,010.15, 942,149,475.05 and 369,451,224 is: 509,842,689.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    682,717,010.15 : 942,149,475.05 = 369,451,224 : x
  2. Step 2: Convert to fraction form
    682,717,010.15/942,149,475.05 = 369,451,224/x
  3. Step 3: Cross multiply
    682,717,010.15x = 942,149,475.05 × 369,451,224
  4. Step 4: Simplify right side
    682,717,010.15x = 348,078,276,746,332,672
  5. Step 5: Solve for x
    x = 348,078,276,746,332,672/682,717,010.15
  6. Step 6: Final answer
    x = 509,842,689.69

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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.