Home / 1,211,074,689.87-1,671,283,712.52-654,157,735.92

Finding the Fourth Proportional to 1,211,074,689.87, 1,671,283,712.52 and 654,157,735.92

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Solution

The fourth proportional to 1,211,074,689.87, 1,671,283,712.52 and 654,157,735.92 is: 902,738,021.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,211,074,689.87 : 1,671,283,712.52 = 654,157,735.92 : x
  2. Step 2: Convert to fraction form
    1,211,074,689.87/1,671,283,712.52 = 654,157,735.92/x
  3. Step 3: Cross multiply
    1,211,074,689.87x = 1,671,283,712.52 × 654,157,735.92
  4. Step 4: Simplify right side
    1,211,074,689.87x = 1,093,283,169,462,055,296
  5. Step 5: Solve for x
    x = 1,093,283,169,462,055,296/1,211,074,689.87
  6. Step 6: Final answer
    x = 902,738,021.53

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Double scale
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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.