Home / 912,961,794.67-1,370,328,241.38-440,593,263.70

Finding the Fourth Proportional to 912,961,794.67, 1,370,328,241.38 and 440,593,263.70

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Solution

The fourth proportional to 912,961,794.67, 1,370,328,241.38 and 440,593,263.70 is: 661,317,259.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    912,961,794.67 : 1,370,328,241.38 = 440,593,263.70 : x
  2. Step 2: Convert to fraction form
    912,961,794.67/1,370,328,241.38 = 440,593,263.70/x
  3. Step 3: Cross multiply
    912,961,794.67x = 1,370,328,241.38 × 440,593,263.70
  4. Step 4: Simplify right side
    912,961,794.67x = 603,757,392,209,895,680
  5. Step 5: Solve for x
    x = 603,757,392,209,895,680/912,961,794.67
  6. Step 6: Final answer
    x = 661,317,259.64

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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.