Home / 7,485,034,818.11-10,329,429,678.33-4,143,588,901.79

Finding the Fourth Proportional to 7,485,034,818.11, 10,329,429,678.33 and 4,143,588,901.79

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Solution

The fourth proportional to 7,485,034,818.11, 10,329,429,678.33 and 4,143,588,901.79 is: 5,718,197,873.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,485,034,818.11 : 10,329,429,678.33 = 4,143,588,901.79 : x
  2. Step 2: Convert to fraction form
    7,485,034,818.11/10,329,429,678.33 = 4,143,588,901.79/x
  3. Step 3: Cross multiply
    7,485,034,818.11x = 10,329,429,678.33 × 4,143,588,901.79
  4. Step 4: Simplify right side
    7,485,034,818.11x = 42,800,910,176,896,786,432
  5. Step 5: Solve for x
    x = 42,800,910,176,896,786,432/7,485,034,818.11
  6. Step 6: Final answer
    x = 5,718,197,873.09

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Double scale
Find fourth proportional to 7,485,034,819.11, 10,329,429,679.71 and 4,143,588,902.79
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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.