Home / 9,709,216,958-13,398,754,929.72-5,253,881,380.40

Finding the Fourth Proportional to 9,709,216,958, 13,398,754,929.72 and 5,253,881,380.40

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Solution

The fourth proportional to 9,709,216,958, 13,398,754,929.72 and 5,253,881,380.40 is: 7,250,375,529.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,709,216,958 : 13,398,754,929.72 = 5,253,881,380.40 : x
  2. Step 2: Convert to fraction form
    9,709,216,958/13,398,754,929.72 = 5,253,881,380.40/x
  3. Step 3: Cross multiply
    9,709,216,958x = 13,398,754,929.72 × 5,253,881,380.40
  4. Step 4: Simplify right side
    9,709,216,958x = 70,395,469,045,798,608,896
  5. Step 5: Solve for x
    x = 70,395,469,045,798,608,896/9,709,216,958
  6. Step 6: Final answer
    x = 7,250,375,529.80

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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.