Home / 855,685,710.31-1,284,005,462.69-462,204,606.91

Finding the Fourth Proportional to 855,685,710.31, 1,284,005,462.69 and 462,204,606.91

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Solution

The fourth proportional to 855,685,710.31, 1,284,005,462.69 and 462,204,606.91 is: 693,564,509.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    855,685,710.31 : 1,284,005,462.69 = 462,204,606.91 : x
  2. Step 2: Convert to fraction form
    855,685,710.31/1,284,005,462.69 = 462,204,606.91/x
  3. Step 3: Cross multiply
    855,685,710.31x = 1,284,005,462.69 × 462,204,606.91
  4. Step 4: Simplify right side
    855,685,710.31x = 593,473,240,152,924,160
  5. Step 5: Solve for x
    x = 593,473,240,152,924,160/855,685,710.31
  6. Step 6: Final answer
    x = 693,564,509.73

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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.