Home / 708,459,947.62-1,062,996,845.07-380,552,889.94

Finding the Fourth Proportional to 708,459,947.62, 1,062,996,845.07 and 380,552,889.94

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Solution

The fourth proportional to 708,459,947.62, 1,062,996,845.07 and 380,552,889.94 is: 570,994,200.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    708,459,947.62 : 1,062,996,845.07 = 380,552,889.94 : x
  2. Step 2: Convert to fraction form
    708,459,947.62/1,062,996,845.07 = 380,552,889.94/x
  3. Step 3: Cross multiply
    708,459,947.62x = 1,062,996,845.07 × 380,552,889.94
  4. Step 4: Simplify right side
    708,459,947.62x = 404,526,521,388,490,944
  5. Step 5: Solve for x
    x = 404,526,521,388,490,944/708,459,947.62
  6. Step 6: Final answer
    x = 570,994,200.52

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1.5x scale

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.