Home / 9,049,485,296.79-12,488,093,871.71-5,239,168,909.74

Finding the Fourth Proportional to 9,049,485,296.79, 12,488,093,871.71 and 5,239,168,909.74

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Solution

The fourth proportional to 9,049,485,296.79, 12,488,093,871.71 and 5,239,168,909.74 is: 7,229,939,715.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,049,485,296.79 : 12,488,093,871.71 = 5,239,168,909.74 : x
  2. Step 2: Convert to fraction form
    9,049,485,296.79/12,488,093,871.71 = 5,239,168,909.74/x
  3. Step 3: Cross multiply
    9,049,485,296.79x = 12,488,093,871.71 × 5,239,168,909.74
  4. Step 4: Simplify right side
    9,049,485,296.79x = 65,427,233,154,551,455,744
  5. Step 5: Solve for x
    x = 65,427,233,154,551,455,744/9,049,485,296.79
  6. Step 6: Final answer
    x = 7,229,939,715.77

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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.