Home / 859,627,782.70-1,289,441,674.05-368,257,434.10

Finding the Fourth Proportional to 859,627,782.70, 1,289,441,674.05 and 368,257,434.10

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Solution

The fourth proportional to 859,627,782.70, 1,289,441,674.05 and 368,257,434.10 is: 552,386,151.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    859,627,782.70 : 1,289,441,674.05 = 368,257,434.10 : x
  2. Step 2: Convert to fraction form
    859,627,782.70/1,289,441,674.05 = 368,257,434.10/x
  3. Step 3: Cross multiply
    859,627,782.70x = 1,289,441,674.05 × 368,257,434.10
  4. Step 4: Simplify right side
    859,627,782.70x = 474,846,482,307,261,568
  5. Step 5: Solve for x
    x = 474,846,482,307,261,568/859,627,782.70
  6. Step 6: Final answer
    x = 552,386,151.15

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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.