Home / 1,658,792,991.89-2,289,142,130.96-906,116,609.63

Finding the Fourth Proportional to 1,658,792,991.89, 2,289,142,130.96 and 906,116,609.63

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Solution

The fourth proportional to 1,658,792,991.89, 2,289,142,130.96 and 906,116,609.63 is: 1,250,445,183.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,658,792,991.89 : 2,289,142,130.96 = 906,116,609.63 : x
  2. Step 2: Convert to fraction form
    1,658,792,991.89/2,289,142,130.96 = 906,116,609.63/x
  3. Step 3: Cross multiply
    1,658,792,991.89x = 2,289,142,130.96 × 906,116,609.63
  4. Step 4: Simplify right side
    1,658,792,991.89x = 2,074,229,706,656,763,392
  5. Step 5: Solve for x
    x = 2,074,229,706,656,763,392/1,658,792,991.89
  6. Step 6: Final answer
    x = 1,250,445,183.21

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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.