Home / 652,820,749.93-979,632,591.02-259,278,724.91

Finding the Fourth Proportional to 652,820,749.93, 979,632,591.02 and 259,278,724.91

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Solution

The fourth proportional to 652,820,749.93, 979,632,591.02 and 259,278,724.91 is: 389,077,536.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    652,820,749.93 : 979,632,591.02 = 259,278,724.91 : x
  2. Step 2: Convert to fraction form
    652,820,749.93/979,632,591.02 = 259,278,724.91/x
  3. Step 3: Cross multiply
    652,820,749.93x = 979,632,591.02 × 259,278,724.91
  4. Step 4: Simplify right side
    652,820,749.93x = 253,997,889,082,072,672
  5. Step 5: Solve for x
    x = 253,997,889,082,072,672/652,820,749.93
  6. Step 6: Final answer
    x = 389,077,536.38

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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.