Home / 7,485,034,881.11-10,329,429,765.29-4,143,588,964.79

Finding the Fourth Proportional to 7,485,034,881.11, 10,329,429,765.29 and 4,143,588,964.79

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Solution

The fourth proportional to 7,485,034,881.11, 10,329,429,765.29 and 4,143,588,964.79 is: 5,718,197,960.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,485,034,881.11 : 10,329,429,765.29 = 4,143,588,964.79 : x
  2. Step 2: Convert to fraction form
    7,485,034,881.11/10,329,429,765.29 = 4,143,588,964.79/x
  3. Step 3: Cross multiply
    7,485,034,881.11x = 10,329,429,765.29 × 4,143,588,964.79
  4. Step 4: Simplify right side
    7,485,034,881.11x = 42,800,911,187,956,637,696
  5. Step 5: Solve for x
    x = 42,800,911,187,956,637,696/7,485,034,881.11
  6. Step 6: Final answer
    x = 5,718,197,960.04

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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.