Home / 1,247,616,332.22-1,721,698,760.16-718,786,085.34

Finding the Fourth Proportional to 1,247,616,332.22, 1,721,698,760.16 and 718,786,085.34

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Solution

The fourth proportional to 1,247,616,332.22, 1,721,698,760.16 and 718,786,085.34 is: 991,918,011.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,247,616,332.22 : 1,721,698,760.16 = 718,786,085.34 : x
  2. Step 2: Convert to fraction form
    1,247,616,332.22/1,721,698,760.16 = 718,786,085.34/x
  3. Step 3: Cross multiply
    1,247,616,332.22x = 1,721,698,760.16 × 718,786,085.34
  4. Step 4: Simplify right side
    1,247,616,332.22x = 1,237,533,111,950,138,112
  5. Step 5: Solve for x
    x = 1,237,533,111,950,138,112/1,247,616,332.22
  6. Step 6: Final answer
    x = 991,918,011.96

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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.