Home / 923,508,151.47-1,274,441,936.12-500,125,099.21

Finding the Fourth Proportional to 923,508,151.47, 1,274,441,936.12 and 500,125,099.21

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Solution

The fourth proportional to 923,508,151.47, 1,274,441,936.12 and 500,125,099.21 is: 690,173,009.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    923,508,151.47 : 1,274,441,936.12 = 500,125,099.21 : x
  2. Step 2: Convert to fraction form
    923,508,151.47/1,274,441,936.12 = 500,125,099.21/x
  3. Step 3: Cross multiply
    923,508,151.47x = 1,274,441,936.12 × 500,125,099.21
  4. Step 4: Simplify right side
    923,508,151.47x = 637,380,399,735,613,184
  5. Step 5: Solve for x
    x = 637,380,399,735,613,184/923,508,151.47
  6. Step 6: Final answer
    x = 690,173,009.00

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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.