Home / 1,420,028,045.78-1,959,601,112.51-793,501,622.06

Finding the Fourth Proportional to 1,420,028,045.78, 1,959,601,112.51 and 793,501,622.06

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Solution

The fourth proportional to 1,420,028,045.78, 1,959,601,112.51 and 793,501,622.06 is: 1,095,011,233.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,420,028,045.78 : 1,959,601,112.51 = 793,501,622.06 : x
  2. Step 2: Convert to fraction form
    1,420,028,045.78/1,959,601,112.51 = 793,501,622.06/x
  3. Step 3: Cross multiply
    1,420,028,045.78x = 1,959,601,112.51 × 793,501,622.06
  4. Step 4: Simplify right side
    1,420,028,045.78x = 1,554,946,661,353,500,160
  5. Step 5: Solve for x
    x = 1,554,946,661,353,500,160/1,420,028,045.78
  6. Step 6: Final answer
    x = 1,095,011,233.04

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Double scale
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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.