Home / 537,604,257.40-805,839,515.70-209,953,166.20

Finding the Fourth Proportional to 537,604,257.40, 805,839,515.70 and 209,953,166.20

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Solution

The fourth proportional to 537,604,257.40, 805,839,515.70 and 209,953,166.20 is: 314,708,366.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    537,604,257.40 : 805,839,515.70 = 209,953,166.20 : x
  2. Step 2: Convert to fraction form
    537,604,257.40/805,839,515.70 = 209,953,166.20/x
  3. Step 3: Cross multiply
    537,604,257.40x = 805,839,515.70 × 209,953,166.20
  4. Step 4: Simplify right side
    537,604,257.40x = 169,188,557,770,289,600
  5. Step 5: Solve for x
    x = 169,188,557,770,289,600/537,604,257.40
  6. Step 6: Final answer
    x = 314,708,366.69

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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.