Home / 1,102,247,168.40-1,521,100,421.79-607,209,876.90

Finding the Fourth Proportional to 1,102,247,168.40, 1,521,100,421.79 and 607,209,876.90

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Solution

The fourth proportional to 1,102,247,168.40, 1,521,100,421.79 and 607,209,876.90 is: 837,949,260.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,102,247,168.40 : 1,521,100,421.79 = 607,209,876.90 : x
  2. Step 2: Convert to fraction form
    1,102,247,168.40/1,521,100,421.79 = 607,209,876.90/x
  3. Step 3: Cross multiply
    1,102,247,168.40x = 1,521,100,421.79 × 607,209,876.90
  4. Step 4: Simplify right side
    1,102,247,168.40x = 923,627,199,867,643,904
  5. Step 5: Solve for x
    x = 923,627,199,867,643,904/1,102,247,168.40
  6. Step 6: Final answer
    x = 837,949,260.70

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1.5x scale

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.