Home / 1,247,616,330.22-1,721,698,757.40-718,786,083.34

Finding the Fourth Proportional to 1,247,616,330.22, 1,721,698,757.40 and 718,786,083.34

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Solution

The fourth proportional to 1,247,616,330.22, 1,721,698,757.40 and 718,786,083.34 is: 991,918,009.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,247,616,330.22 : 1,721,698,757.40 = 718,786,083.34 : x
  2. Step 2: Convert to fraction form
    1,247,616,330.22/1,721,698,757.40 = 718,786,083.34/x
  3. Step 3: Cross multiply
    1,247,616,330.22x = 1,721,698,757.40 × 718,786,083.34
  4. Step 4: Simplify right side
    1,247,616,330.22x = 1,237,533,106,523,677,184
  5. Step 5: Solve for x
    x = 1,237,533,106,523,677,184/1,247,616,330.22
  6. Step 6: Final answer
    x = 991,918,009.20

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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.