Home / 676,679,583,357.45-1,015,436,871,917.70-313,577,568,623.15

Finding the Fourth Proportional to 676,679,583,357.45, 1,015,436,871,917.70 and 313,577,568,623.15

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Solution

The fourth proportional to 676,679,583,357.45, 1,015,436,871,917.70 and 313,577,568,623.15 is: 470,559,823,611.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    676,679,583,357.45 : 1,015,436,871,917.70 = 313,577,568,623.15 : x
  2. Step 2: Convert to fraction form
    676,679,583,357.45/1,015,436,871,917.70 = 313,577,568,623.15/x
  3. Step 3: Cross multiply
    676,679,583,357.45x = 1,015,436,871,917.70 × 313,577,568,623.15
  4. Step 4: Simplify right side
    676,679,583,357.45x = 318,418,225,386,249,386,983,424
  5. Step 5: Solve for x
    x = 318,418,225,386,249,386,983,424/676,679,583,357.45
  6. Step 6: Final answer
    x = 470,559,823,611.60

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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.