Home / 7,485,034,813.61-10,329,429,672.11-4,143,588,897.29

Finding the Fourth Proportional to 7,485,034,813.61, 10,329,429,672.11 and 4,143,588,897.29

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Solution

The fourth proportional to 7,485,034,813.61, 10,329,429,672.11 and 4,143,588,897.29 is: 5,718,197,866.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,485,034,813.61 : 10,329,429,672.11 = 4,143,588,897.29 : x
  2. Step 2: Convert to fraction form
    7,485,034,813.61/10,329,429,672.11 = 4,143,588,897.29/x
  3. Step 3: Cross multiply
    7,485,034,813.61x = 10,329,429,672.11 × 4,143,588,897.29
  4. Step 4: Simplify right side
    7,485,034,813.61x = 42,800,910,104,649,515,008
  5. Step 5: Solve for x
    x = 42,800,910,104,649,515,008/7,485,034,813.61
  6. Step 6: Final answer
    x = 5,718,197,866.88

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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.