Home / 472,343,068.71-651,963,098.81-274,168,408.43

Finding the Fourth Proportional to 472,343,068.71, 651,963,098.81 and 274,168,408.43

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Solution

The fourth proportional to 472,343,068.71, 651,963,098.81 and 274,168,408.43 is: 378,427,666.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,343,068.71 : 651,963,098.81 = 274,168,408.43 : x
  2. Step 2: Convert to fraction form
    472,343,068.71/651,963,098.81 = 274,168,408.43/x
  3. Step 3: Cross multiply
    472,343,068.71x = 651,963,098.81 × 274,168,408.43
  4. Step 4: Simplify right side
    472,343,068.71x = 178,747,685,158,143,872
  5. Step 5: Solve for x
    x = 178,747,685,158,143,872/472,343,068.71
  6. Step 6: Final answer
    x = 378,427,666.24

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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.