Home / 442,868,004.10-664,302,006.15-328,076,748.10

Finding the Fourth Proportional to 442,868,004.10, 664,302,006.15 and 328,076,748.10

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Solution

The fourth proportional to 442,868,004.10, 664,302,006.15 and 328,076,748.10 is: 492,115,122.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,868,004.10 : 664,302,006.15 = 328,076,748.10 : x
  2. Step 2: Convert to fraction form
    442,868,004.10/664,302,006.15 = 328,076,748.10/x
  3. Step 3: Cross multiply
    442,868,004.10x = 664,302,006.15 × 328,076,748.10
  4. Step 4: Simplify right side
    442,868,004.10x = 217,942,041,933,998,208
  5. Step 5: Solve for x
    x = 217,942,041,933,998,208/442,868,004.10
  6. Step 6: Final answer
    x = 492,115,122.15

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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.