Home / 554,402,121.70-765,074,943.14-306,883,475.94

Finding the Fourth Proportional to 554,402,121.70, 765,074,943.14 and 306,883,475.94

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Solution

The fourth proportional to 554,402,121.70, 765,074,943.14 and 306,883,475.94 is: 423,499,205.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,402,121.70 : 765,074,943.14 = 306,883,475.94 : x
  2. Step 2: Convert to fraction form
    554,402,121.70/765,074,943.14 = 306,883,475.94/x
  3. Step 3: Cross multiply
    554,402,121.70x = 765,074,943.14 × 306,883,475.94
  4. Step 4: Simplify right side
    554,402,121.70x = 234,788,857,905,401,056
  5. Step 5: Solve for x
    x = 234,788,857,905,401,056/554,402,121.70
  6. Step 6: Final answer
    x = 423,499,205.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.