Home / 1,120,374,803.45-1,680,568,604.26-465,325,830.02

Finding the Fourth Proportional to 1,120,374,803.45, 1,680,568,604.26 and 465,325,830.02

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Solution

The fourth proportional to 1,120,374,803.45, 1,680,568,604.26 and 465,325,830.02 is: 697,991,402.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,120,374,803.45 : 1,680,568,604.26 = 465,325,830.02 : x
  2. Step 2: Convert to fraction form
    1,120,374,803.45/1,680,568,604.26 = 465,325,830.02/x
  3. Step 3: Cross multiply
    1,120,374,803.45x = 1,680,568,604.26 × 465,325,830.02
  4. Step 4: Simplify right side
    1,120,374,803.45x = 782,011,980,685,875,456
  5. Step 5: Solve for x
    x = 782,011,980,685,875,456/1,120,374,803.45
  6. Step 6: Final answer
    x = 697,991,402.77

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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.