Home / 543,860,032.16-816,031,191.72-285,013,710.56

Finding the Fourth Proportional to 543,860,032.16, 816,031,191.72 and 285,013,710.56

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Solution

The fourth proportional to 543,860,032.16, 816,031,191.72 and 285,013,710.56 is: 427,646,938.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,860,032.16 : 816,031,191.72 = 285,013,710.56 : x
  2. Step 2: Convert to fraction form
    543,860,032.16/816,031,191.72 = 285,013,710.56/x
  3. Step 3: Cross multiply
    543,860,032.16x = 816,031,191.72 × 285,013,710.56
  4. Step 4: Simplify right side
    543,860,032.16x = 232,580,077,884,815,968
  5. Step 5: Solve for x
    x = 232,580,077,884,815,968/543,860,032.16
  6. Step 6: Final answer
    x = 427,646,938.79

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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.