Home / 694,008,009.70-1,041,012,014.55-663,397,008.10

Finding the Fourth Proportional to 694,008,009.70, 1,041,012,014.55 and 663,397,008.10

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Solution

The fourth proportional to 694,008,009.70, 1,041,012,014.55 and 663,397,008.10 is: 995,095,512.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    694,008,009.70 : 1,041,012,014.55 = 663,397,008.10 : x
  2. Step 2: Convert to fraction form
    694,008,009.70/1,041,012,014.55 = 663,397,008.10/x
  3. Step 3: Cross multiply
    694,008,009.70x = 1,041,012,014.55 × 663,397,008.10
  4. Step 4: Simplify right side
    694,008,009.70x = 690,604,255,848,623,616
  5. Step 5: Solve for x
    x = 690,604,255,848,623,616/694,008,009.70
  6. Step 6: Final answer
    x = 995,095,512.15

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.