Home / 363,841,262.40-545,785,513.20-191,654,378.40

Finding the Fourth Proportional to 363,841,262.40, 545,785,513.20 and 191,654,378.40

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Solution

The fourth proportional to 363,841,262.40, 545,785,513.20 and 191,654,378.40 is: 287,494,009.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,841,262.40 : 545,785,513.20 = 191,654,378.40 : x
  2. Step 2: Convert to fraction form
    363,841,262.40/545,785,513.20 = 191,654,378.40/x
  3. Step 3: Cross multiply
    363,841,262.40x = 545,785,513.20 × 191,654,378.40
  4. Step 4: Simplify right side
    363,841,262.40x = 104,602,183,272,071,008
  5. Step 5: Solve for x
    x = 104,602,183,272,071,008/363,841,262.40
  6. Step 6: Final answer
    x = 287,494,009.29

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.