Home / 733,247,178.32-1,011,900,283.79-398,739,264.84

Finding the Fourth Proportional to 733,247,178.32, 1,011,900,283.79 and 398,739,264.84

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Solution

The fourth proportional to 733,247,178.32, 1,011,900,283.79 and 398,739,264.84 is: 550,270,614.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    733,247,178.32 : 1,011,900,283.79 = 398,739,264.84 : x
  2. Step 2: Convert to fraction form
    733,247,178.32/1,011,900,283.79 = 398,739,264.84/x
  3. Step 3: Cross multiply
    733,247,178.32x = 1,011,900,283.79 × 398,739,264.84
  4. Step 4: Simplify right side
    733,247,178.32x = 403,484,375,247,818,240
  5. Step 5: Solve for x
    x = 403,484,375,247,818,240/733,247,178.32
  6. Step 6: Final answer
    x = 550,270,614.30

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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.