Home / 537,604,320.40-805,839,610.20-209,953,229.20

Finding the Fourth Proportional to 537,604,320.40, 805,839,610.20 and 209,953,229.20

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Solution

The fourth proportional to 537,604,320.40, 805,839,610.20 and 209,953,229.20 is: 314,708,461.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    537,604,320.40 : 805,839,610.20 = 209,953,229.20 : x
  2. Step 2: Convert to fraction form
    537,604,320.40/805,839,610.20 = 209,953,229.20/x
  3. Step 3: Cross multiply
    537,604,320.40x = 805,839,610.20 × 209,953,229.20
  4. Step 4: Simplify right side
    537,604,320.40x = 169,188,628,378,759,264
  5. Step 5: Solve for x
    x = 169,188,628,378,759,264/537,604,320.40
  6. Step 6: Final answer
    x = 314,708,461.15

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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.