Home / 653,490,887.28-980,525,799.71-342,524,600.63

Finding the Fourth Proportional to 653,490,887.28, 980,525,799.71 and 342,524,600.63

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Solution

The fourth proportional to 653,490,887.28, 980,525,799.71 and 342,524,600.63 is: 513,938,624.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    653,490,887.28 : 980,525,799.71 = 342,524,600.63 : x
  2. Step 2: Convert to fraction form
    653,490,887.28/980,525,799.71 = 342,524,600.63/x
  3. Step 3: Cross multiply
    653,490,887.28x = 980,525,799.71 × 342,524,600.63
  4. Step 4: Simplify right side
    653,490,887.28x = 335,854,207,946,463,872
  5. Step 5: Solve for x
    x = 335,854,207,946,463,872/653,490,887.28
  6. Step 6: Final answer
    x = 513,938,624.83

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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.