Home / 363,944,009.80-545,916,014.70-260,631,879.40

Finding the Fourth Proportional to 363,944,009.80, 545,916,014.70 and 260,631,879.40

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Solution

The fourth proportional to 363,944,009.80, 545,916,014.70 and 260,631,879.40 is: 390,947,819.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,944,009.80 : 545,916,014.70 = 260,631,879.40 : x
  2. Step 2: Convert to fraction form
    363,944,009.80/545,916,014.70 = 260,631,879.40/x
  3. Step 3: Cross multiply
    363,944,009.80x = 545,916,014.70 × 260,631,879.40
  4. Step 4: Simplify right side
    363,944,009.80x = 142,283,116,905,819,040
  5. Step 5: Solve for x
    x = 142,283,116,905,819,040/363,944,009.80
  6. Step 6: Final answer
    x = 390,947,819.10

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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.