Home / 858,866,298.03-1,285,899,228.52-463,978,398.38

Finding the Fourth Proportional to 858,866,298.03, 1,285,899,228.52 and 463,978,398.38

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Solution

The fourth proportional to 858,866,298.03, 1,285,899,228.52 and 463,978,398.38 is: 694,670,946.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    858,866,298.03 : 1,285,899,228.52 = 463,978,398.38 : x
  2. Step 2: Convert to fraction form
    858,866,298.03/1,285,899,228.52 = 463,978,398.38/x
  3. Step 3: Cross multiply
    858,866,298.03x = 1,285,899,228.52 × 463,978,398.38
  4. Step 4: Simplify right side
    858,866,298.03x = 596,629,464,519,197,696
  5. Step 5: Solve for x
    x = 596,629,464,519,197,696/858,866,298.03
  6. Step 6: Final answer
    x = 694,670,946.91

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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.