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Finding the Fourth Proportional to 315,638,824, 473,458,236 and 88,704,040

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Solution

The fourth proportional to 315,638,824, 473,458,236 and 88,704,040 is: 133,056,060

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,638,824 : 473,458,236 = 88,704,040 : x
  2. Step 2: Convert to fraction form
    315,638,824/473,458,236 = 88,704,040/x
  3. Step 3: Cross multiply
    315,638,824x = 473,458,236 × 88,704,040
  4. Step 4: Simplify right side
    315,638,824x = 41,997,658,304,473,440
  5. Step 5: Solve for x
    x = 41,997,658,304,473,440/315,638,824
  6. Step 6: Final answer
    x = 133,056,060

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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.