Home / 602,430,146.40-903,645,219.60-418,764,136.80

Finding the Fourth Proportional to 602,430,146.40, 903,645,219.60 and 418,764,136.80

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Solution

The fourth proportional to 602,430,146.40, 903,645,219.60 and 418,764,136.80 is: 628,146,205.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    602,430,146.40 : 903,645,219.60 = 418,764,136.80 : x
  2. Step 2: Convert to fraction form
    602,430,146.40/903,645,219.60 = 418,764,136.80/x
  3. Step 3: Cross multiply
    602,430,146.40x = 903,645,219.60 × 418,764,136.80
  4. Step 4: Simplify right side
    602,430,146.40x = 378,414,210,359,240,448
  5. Step 5: Solve for x
    x = 378,414,210,359,240,448/602,430,146.40
  6. Step 6: Final answer
    x = 628,146,205.20

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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.