Home / 1,609,395,141.83-2,414,207,633.61-428,969,437.77

Finding the Fourth Proportional to 1,609,395,141.83, 2,414,207,633.61 and 428,969,437.77

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Solution

The fourth proportional to 1,609,395,141.83, 2,414,207,633.61 and 428,969,437.77 is: 643,484,787.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,609,395,141.83 : 2,414,207,633.61 = 428,969,437.77 : x
  2. Step 2: Convert to fraction form
    1,609,395,141.83/2,414,207,633.61 = 428,969,437.77/x
  3. Step 3: Cross multiply
    1,609,395,141.83x = 2,414,207,633.61 × 428,969,437.77
  4. Step 4: Simplify right side
    1,609,395,141.83x = 1,035,621,291,254,214,784
  5. Step 5: Solve for x
    x = 1,035,621,291,254,214,784/1,609,395,141.83
  6. Step 6: Final answer
    x = 643,484,787.76

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Double scale
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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.