Home / 543,860,031.16-816,031,190.22-285,013,709.56

Finding the Fourth Proportional to 543,860,031.16, 816,031,190.22 and 285,013,709.56

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Solution

The fourth proportional to 543,860,031.16, 816,031,190.22 and 285,013,709.56 is: 427,646,937.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,860,031.16 : 816,031,190.22 = 285,013,709.56 : x
  2. Step 2: Convert to fraction form
    543,860,031.16/816,031,190.22 = 285,013,709.56/x
  3. Step 3: Cross multiply
    543,860,031.16x = 816,031,190.22 × 285,013,709.56
  4. Step 4: Simplify right side
    543,860,031.16x = 232,580,076,641,264,192
  5. Step 5: Solve for x
    x = 232,580,076,641,264,192/543,860,031.16
  6. Step 6: Final answer
    x = 427,646,937.29

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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.