Home / 543,077,069.11-749,525,327.52-304,948,985.83

Finding the Fourth Proportional to 543,077,069.11, 749,525,327.52 and 304,948,985.83

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Solution

The fourth proportional to 543,077,069.11, 749,525,327.52 and 304,948,985.83 is: 420,873,944.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,077,069.11 : 749,525,327.52 = 304,948,985.83 : x
  2. Step 2: Convert to fraction form
    543,077,069.11/749,525,327.52 = 304,948,985.83/x
  3. Step 3: Cross multiply
    543,077,069.11x = 749,525,327.52 × 304,948,985.83
  4. Step 4: Simplify right side
    543,077,069.11x = 228,566,988,477,374,944
  5. Step 5: Solve for x
    x = 228,566,988,477,374,944/543,077,069.11
  6. Step 6: Final answer
    x = 420,873,944.93

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.