Home / 7,485,034,814.11-10,329,429,672.80-4,143,588,897.79

Finding the Fourth Proportional to 7,485,034,814.11, 10,329,429,672.80 and 4,143,588,897.79

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Solution

The fourth proportional to 7,485,034,814.11, 10,329,429,672.80 and 4,143,588,897.79 is: 5,718,197,867.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,485,034,814.11 : 10,329,429,672.80 = 4,143,588,897.79 : x
  2. Step 2: Convert to fraction form
    7,485,034,814.11/10,329,429,672.80 = 4,143,588,897.79/x
  3. Step 3: Cross multiply
    7,485,034,814.11x = 10,329,429,672.80 × 4,143,588,897.79
  4. Step 4: Simplify right side
    7,485,034,814.11x = 42,800,910,112,665,018,368
  5. Step 5: Solve for x
    x = 42,800,910,112,665,018,368/7,485,034,814.11
  6. Step 6: Final answer
    x = 5,718,197,867.57

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Double scale
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1.5x scale

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.