Home / 940,142,917.54-1,296,029,859.73-657,006,308.65

Finding the Fourth Proportional to 940,142,917.54, 1,296,029,859.73 and 657,006,308.65

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Solution

The fourth proportional to 940,142,917.54, 1,296,029,859.73 and 657,006,308.65 is: 905,713,140.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    940,142,917.54 : 1,296,029,859.73 = 657,006,308.65 : x
  2. Step 2: Convert to fraction form
    940,142,917.54/1,296,029,859.73 = 657,006,308.65/x
  3. Step 3: Cross multiply
    940,142,917.54x = 1,296,029,859.73 × 657,006,308.65
  4. Step 4: Simplify right side
    940,142,917.54x = 851,499,794,041,384,576
  5. Step 5: Solve for x
    x = 851,499,794,041,384,576/940,142,917.54
  6. Step 6: Final answer
    x = 905,713,140.16

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1.5x scale

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.