Home / 517,626,694.87-776,825,665.26-379,808,434.06

Finding the Fourth Proportional to 517,626,694.87, 776,825,665.26 and 379,808,434.06

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Solution

The fourth proportional to 517,626,694.87, 776,825,665.26 and 379,808,434.06 is: 569,995,601.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    517,626,694.87 : 776,825,665.26 = 379,808,434.06 : x
  2. Step 2: Convert to fraction form
    517,626,694.87/776,825,665.26 = 379,808,434.06/x
  3. Step 3: Cross multiply
    517,626,694.87x = 776,825,665.26 × 379,808,434.06
  4. Step 4: Simplify right side
    517,626,694.87x = 295,044,939,460,018,368
  5. Step 5: Solve for x
    x = 295,044,939,460,018,368/517,626,694.87
  6. Step 6: Final answer
    x = 569,995,601.82

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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.