Home / 925,366,100.16-1,388,278,887.75-459,246,284.94

Finding the Fourth Proportional to 925,366,100.16, 1,388,278,887.75 and 459,246,284.94

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Solution

The fourth proportional to 925,366,100.16, 1,388,278,887.75 and 459,246,284.94 is: 688,983,442.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    925,366,100.16 : 1,388,278,887.75 = 459,246,284.94 : x
  2. Step 2: Convert to fraction form
    925,366,100.16/1,388,278,887.75 = 459,246,284.94/x
  3. Step 3: Cross multiply
    925,366,100.16x = 1,388,278,887.75 × 459,246,284.94
  4. Step 4: Simplify right side
    925,366,100.16x = 637,561,921,658,558,464
  5. Step 5: Solve for x
    x = 637,561,921,658,558,464/925,366,100.16
  6. Step 6: Final answer
    x = 688,983,442.93

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.