Home / 691,033,909.05-948,550,679.66-610,963,465.05

Finding the Fourth Proportional to 691,033,909.05, 948,550,679.66 and 610,963,465.05

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Solution

The fourth proportional to 691,033,909.05, 948,550,679.66 and 610,963,465.05 is: 838,641,638.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    691,033,909.05 : 948,550,679.66 = 610,963,465.05 : x
  2. Step 2: Convert to fraction form
    691,033,909.05/948,550,679.66 = 610,963,465.05/x
  3. Step 3: Cross multiply
    691,033,909.05x = 948,550,679.66 × 610,963,465.05
  4. Step 4: Simplify right side
    691,033,909.05x = 579,529,810,022,133,504
  5. Step 5: Solve for x
    x = 579,529,810,022,133,504/691,033,909.05
  6. Step 6: Final answer
    x = 838,641,638.90

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.