Home / 653,490,805.42-980,525,677.38-342,524,518.86

Finding the Fourth Proportional to 653,490,805.42, 980,525,677.38 and 342,524,518.86

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Solution

The fourth proportional to 653,490,805.42, 980,525,677.38 and 342,524,518.86 is: 513,938,502.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    653,490,805.42 : 980,525,677.38 = 342,524,518.86 : x
  2. Step 2: Convert to fraction form
    653,490,805.42/980,525,677.38 = 342,524,518.86/x
  3. Step 3: Cross multiply
    653,490,805.42x = 980,525,677.38 × 342,524,518.86
  4. Step 4: Simplify right side
    653,490,805.42x = 335,854,085,876,852,608
  5. Step 5: Solve for x
    x = 335,854,085,876,852,608/653,490,805.42
  6. Step 6: Final answer
    x = 513,938,502.41

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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.