Home / 661,972,094.77-913,521,447.48-383,675,043.51

Finding the Fourth Proportional to 661,972,094.77, 913,521,447.48 and 383,675,043.51

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Solution

The fourth proportional to 661,972,094.77, 913,521,447.48 and 383,675,043.51 is: 529,471,534.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    661,972,094.77 : 913,521,447.48 = 383,675,043.51 : x
  2. Step 2: Convert to fraction form
    661,972,094.77/913,521,447.48 = 383,675,043.51/x
  3. Step 3: Cross multiply
    661,972,094.77x = 913,521,447.48 × 383,675,043.51
  4. Step 4: Simplify right side
    661,972,094.77x = 350,495,381,109,207,168
  5. Step 5: Solve for x
    x = 350,495,381,109,207,168/661,972,094.77
  6. Step 6: Final answer
    x = 529,471,534.95

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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.