Home / 471,514,904.64-707,378,384.88-143,963,015.76

Finding the Fourth Proportional to 471,514,904.64, 707,378,384.88 and 143,963,015.76

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Solution

The fourth proportional to 471,514,904.64, 707,378,384.88 and 143,963,015.76 is: 215,976,896.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    471,514,904.64 : 707,378,384.88 = 143,963,015.76 : x
  2. Step 2: Convert to fraction form
    471,514,904.64/707,378,384.88 = 143,963,015.76/x
  3. Step 3: Cross multiply
    471,514,904.64x = 707,378,384.88 × 143,963,015.76
  4. Step 4: Simplify right side
    471,514,904.64x = 101,836,325,570,762,784
  5. Step 5: Solve for x
    x = 101,836,325,570,762,784/471,514,904.64
  6. Step 6: Final answer
    x = 215,976,896.10

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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.