Home / 624,148,923.60-861,904,492.20-467,243,629.20

Finding the Fourth Proportional to 624,148,923.60, 861,904,492.20 and 467,243,629.20

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Solution

The fourth proportional to 624,148,923.60, 861,904,492.20 and 467,243,629.20 is: 645,229,636.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,148,923.60 : 861,904,492.20 = 467,243,629.20 : x
  2. Step 2: Convert to fraction form
    624,148,923.60/861,904,492.20 = 467,243,629.20/x
  3. Step 3: Cross multiply
    624,148,923.60x = 861,904,492.20 × 467,243,629.20
  4. Step 4: Simplify right side
    624,148,923.60x = 402,719,382,959,311,104
  5. Step 5: Solve for x
    x = 402,719,382,959,311,104/624,148,923.60
  6. Step 6: Final answer
    x = 645,229,636.28

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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.