Home / 676,679,583,358.95-1,015,436,871,920-313,577,568,624.65

Finding the Fourth Proportional to 676,679,583,358.95, 1,015,436,871,920 and 313,577,568,624.65

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Solution

The fourth proportional to 676,679,583,358.95, 1,015,436,871,920 and 313,577,568,624.65 is: 470,559,823,613.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    676,679,583,358.95 : 1,015,436,871,920 = 313,577,568,624.65 : x
  2. Step 2: Convert to fraction form
    676,679,583,358.95/1,015,436,871,920 = 313,577,568,624.65/x
  3. Step 3: Cross multiply
    676,679,583,358.95x = 1,015,436,871,920 × 313,577,568,624.65
  4. Step 4: Simplify right side
    676,679,583,358.95x = 318,418,225,388,493,775,831,040
  5. Step 5: Solve for x
    x = 318,418,225,388,493,775,831,040/676,679,583,358.95
  6. Step 6: Final answer
    x = 470,559,823,613.87

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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.