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Finding the Fourth Proportional to 375,782,953.94, 563,490,017.54 and 154,414,190.64

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Solution

The fourth proportional to 375,782,953.94, 563,490,017.54 and 154,414,190.64 is: 231,545,508.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,782,953.94 : 563,490,017.54 = 154,414,190.64 : x
  2. Step 2: Convert to fraction form
    375,782,953.94/563,490,017.54 = 154,414,190.64/x
  3. Step 3: Cross multiply
    375,782,953.94x = 563,490,017.54 × 154,414,190.64
  4. Step 4: Simplify right side
    375,782,953.94x = 87,010,854,991,386,416
  5. Step 5: Solve for x
    x = 87,010,854,991,386,416/375,782,953.94
  6. Step 6: Final answer
    x = 231,545,508.07

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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.