Home / 598,768,231.40-898,152,347.10-339,883,418.60

Finding the Fourth Proportional to 598,768,231.40, 898,152,347.10 and 339,883,418.60

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Solution

The fourth proportional to 598,768,231.40, 898,152,347.10 and 339,883,418.60 is: 509,825,127.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    598,768,231.40 : 898,152,347.10 = 339,883,418.60 : x
  2. Step 2: Convert to fraction form
    598,768,231.40/898,152,347.10 = 339,883,418.60/x
  3. Step 3: Cross multiply
    598,768,231.40x = 898,152,347.10 × 339,883,418.60
  4. Step 4: Simplify right side
    598,768,231.40x = 305,267,090,155,961,856
  5. Step 5: Solve for x
    x = 305,267,090,155,961,856/598,768,231.40
  6. Step 6: Final answer
    x = 509,825,127.90

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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.