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Finding the Fourth Proportional to 375,868,866.93, 563,824,846.20 and 99,512,900.02

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Solution

The fourth proportional to 375,868,866.93, 563,824,846.20 and 99,512,900.02 is: 149,275,054.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,868,866.93 : 563,824,846.20 = 99,512,900.02 : x
  2. Step 2: Convert to fraction form
    375,868,866.93/563,824,846.20 = 99,512,900.02/x
  3. Step 3: Cross multiply
    375,868,866.93x = 563,824,846.20 × 99,512,900.02
  4. Step 4: Simplify right side
    375,868,866.93x = 56,107,845,549,770,432
  5. Step 5: Solve for x
    x = 56,107,845,549,770,432/375,868,866.93
  6. Step 6: Final answer
    x = 149,275,054.38

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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.