Home / 1,102,247,168.90-1,521,100,422.48-607,209,877.40

Finding the Fourth Proportional to 1,102,247,168.90, 1,521,100,422.48 and 607,209,877.40

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Solution

The fourth proportional to 1,102,247,168.90, 1,521,100,422.48 and 607,209,877.40 is: 837,949,261.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,102,247,168.90 : 1,521,100,422.48 = 607,209,877.40 : x
  2. Step 2: Convert to fraction form
    1,102,247,168.90/1,521,100,422.48 = 607,209,877.40/x
  3. Step 3: Cross multiply
    1,102,247,168.90x = 1,521,100,422.48 × 607,209,877.40
  4. Step 4: Simplify right side
    1,102,247,168.90x = 923,627,201,039,563,520
  5. Step 5: Solve for x
    x = 923,627,201,039,563,520/1,102,247,168.90
  6. Step 6: Final answer
    x = 837,949,261.39

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Double scale
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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.