Home / 650,663,043.40-975,994,565.10-219,835,318.60

Finding the Fourth Proportional to 650,663,043.40, 975,994,565.10 and 219,835,318.60

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Solution

The fourth proportional to 650,663,043.40, 975,994,565.10 and 219,835,318.60 is: 329,752,977.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    650,663,043.40 : 975,994,565.10 = 219,835,318.60 : x
  2. Step 2: Convert to fraction form
    650,663,043.40/975,994,565.10 = 219,835,318.60/x
  3. Step 3: Cross multiply
    650,663,043.40x = 975,994,565.10 × 219,835,318.60
  4. Step 4: Simplify right side
    650,663,043.40x = 214,558,076,170,626,944
  5. Step 5: Solve for x
    x = 214,558,076,170,626,944/650,663,043.40
  6. Step 6: Final answer
    x = 329,752,977.90

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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.