Home / 439,905,140.70-607,001,610.15-254,230,298.70

Finding the Fourth Proportional to 439,905,140.70, 607,001,610.15 and 254,230,298.70

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Solution

The fourth proportional to 439,905,140.70, 607,001,610.15 and 254,230,298.70 is: 350,798,811.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,905,140.70 : 607,001,610.15 = 254,230,298.70 : x
  2. Step 2: Convert to fraction form
    439,905,140.70/607,001,610.15 = 254,230,298.70/x
  3. Step 3: Cross multiply
    439,905,140.70x = 607,001,610.15 × 254,230,298.70
  4. Step 4: Simplify right side
    439,905,140.70x = 154,318,200,659,815,424
  5. Step 5: Solve for x
    x = 154,318,200,659,815,424/439,905,140.70
  6. Step 6: Final answer
    x = 350,798,811.79

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.