Home / 354,294,643.60-531,441,965.40-216,545,136.40

Finding the Fourth Proportional to 354,294,643.60, 531,441,965.40 and 216,545,136.40

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Solution

The fourth proportional to 354,294,643.60, 531,441,965.40 and 216,545,136.40 is: 324,817,704.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,294,643.60 : 531,441,965.40 = 216,545,136.40 : x
  2. Step 2: Convert to fraction form
    354,294,643.60/531,441,965.40 = 216,545,136.40/x
  3. Step 3: Cross multiply
    354,294,643.60x = 531,441,965.40 × 216,545,136.40
  4. Step 4: Simplify right side
    354,294,643.60x = 115,081,172,886,227,072
  5. Step 5: Solve for x
    x = 115,081,172,886,227,072/354,294,643.60
  6. Step 6: Final answer
    x = 324,817,704.60

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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.