Home / 442,303,999.60-663,455,999.40-196,660,159.60

Finding the Fourth Proportional to 442,303,999.60, 663,455,999.40 and 196,660,159.60

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Solution

The fourth proportional to 442,303,999.60, 663,455,999.40 and 196,660,159.60 is: 294,990,239.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,303,999.60 : 663,455,999.40 = 196,660,159.60 : x
  2. Step 2: Convert to fraction form
    442,303,999.60/663,455,999.40 = 196,660,159.60/x
  3. Step 3: Cross multiply
    442,303,999.60x = 663,455,999.40 × 196,660,159.60
  4. Step 4: Simplify right side
    442,303,999.60x = 130,475,362,729,581,488
  5. Step 5: Solve for x
    x = 130,475,362,729,581,488/442,303,999.60
  6. Step 6: Final answer
    x = 294,990,239.40

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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.