Home / 1,102,247,178.42-1,521,100,435.58-607,209,886.92

Finding the Fourth Proportional to 1,102,247,178.42, 1,521,100,435.58 and 607,209,886.92

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Solution

The fourth proportional to 1,102,247,178.42, 1,521,100,435.58 and 607,209,886.92 is: 837,949,274.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,102,247,178.42 : 1,521,100,435.58 = 607,209,886.92 : x
  2. Step 2: Convert to fraction form
    1,102,247,178.42/1,521,100,435.58 = 607,209,886.92/x
  3. Step 3: Cross multiply
    1,102,247,178.42x = 1,521,100,435.58 × 607,209,886.92
  4. Step 4: Simplify right side
    1,102,247,178.42x = 923,627,223,482,494,464
  5. Step 5: Solve for x
    x = 923,627,223,482,494,464/1,102,247,178.42
  6. Step 6: Final answer
    x = 837,949,274.51

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Double scale
Find fourth proportional to 1,102,247,179.42, 1,521,100,436.96 and 607,209,887.92
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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.