Home / 358,171,605.20-537,257,407.80-329,506,158.80

Finding the Fourth Proportional to 358,171,605.20, 537,257,407.80 and 329,506,158.80

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Solution

The fourth proportional to 358,171,605.20, 537,257,407.80 and 329,506,158.80 is: 494,259,238.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,171,605.20 : 537,257,407.80 = 329,506,158.80 : x
  2. Step 2: Convert to fraction form
    358,171,605.20/537,257,407.80 = 329,506,158.80/x
  3. Step 3: Cross multiply
    358,171,605.20x = 537,257,407.80 × 329,506,158.80
  4. Step 4: Simplify right side
    358,171,605.20x = 177,029,624,731,023,136
  5. Step 5: Solve for x
    x = 177,029,624,731,023,136/358,171,605.20
  6. Step 6: Final answer
    x = 494,259,238.20

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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.