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Finding the Fourth Proportional to 444,572,447.94, 666,798,135.14 and 117,020,531.52

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Solution

The fourth proportional to 444,572,447.94, 666,798,135.14 and 117,020,531.52 is: 175,514,862.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,572,447.94 : 666,798,135.14 = 117,020,531.52 : x
  2. Step 2: Convert to fraction form
    444,572,447.94/666,798,135.14 = 117,020,531.52/x
  3. Step 3: Cross multiply
    444,572,447.94x = 666,798,135.14 × 117,020,531.52
  4. Step 4: Simplify right side
    444,572,447.94x = 78,029,072,190,920,144
  5. Step 5: Solve for x
    x = 78,029,072,190,920,144/444,572,447.94
  6. Step 6: Final answer
    x = 175,514,862.77

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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.