Home / 484,927,016.60-727,390,524.90-212,829,224.60

Finding the Fourth Proportional to 484,927,016.60, 727,390,524.90 and 212,829,224.60

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Solution

The fourth proportional to 484,927,016.60, 727,390,524.90 and 212,829,224.60 is: 319,243,836.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,927,016.60 : 727,390,524.90 = 212,829,224.60 : x
  2. Step 2: Convert to fraction form
    484,927,016.60/727,390,524.90 = 212,829,224.60/x
  3. Step 3: Cross multiply
    484,927,016.60x = 727,390,524.90 × 212,829,224.60
  4. Step 4: Simplify right side
    484,927,016.60x = 154,809,961,395,853,984
  5. Step 5: Solve for x
    x = 154,809,961,395,853,984/484,927,016.60
  6. Step 6: Final answer
    x = 319,243,836.90

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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.