Home / 841,488,605.46-1,262,232,919.14-228,072,831.21

Finding the Fourth Proportional to 841,488,605.46, 1,262,232,919.14 and 228,072,831.21

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Solution

The fourth proportional to 841,488,605.46, 1,262,232,919.14 and 228,072,831.21 is: 342,109,249.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    841,488,605.46 : 1,262,232,919.14 = 228,072,831.21 : x
  2. Step 2: Convert to fraction form
    841,488,605.46/1,262,232,919.14 = 228,072,831.21/x
  3. Step 3: Cross multiply
    841,488,605.46x = 1,262,232,919.14 × 228,072,831.21
  4. Step 4: Simplify right side
    841,488,605.46x = 287,881,035,514,722,848
  5. Step 5: Solve for x
    x = 287,881,035,514,722,848/841,488,605.46
  6. Step 6: Final answer
    x = 342,109,249.78

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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.