Home / 976,716,401.80-1,465,074,602.70-666,780,010.60

Finding the Fourth Proportional to 976,716,401.80, 1,465,074,602.70 and 666,780,010.60

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Solution

The fourth proportional to 976,716,401.80, 1,465,074,602.70 and 666,780,010.60 is: 1,000,170,015.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    976,716,401.80 : 1,465,074,602.70 = 666,780,010.60 : x
  2. Step 2: Convert to fraction form
    976,716,401.80/1,465,074,602.70 = 666,780,010.60/x
  3. Step 3: Cross multiply
    976,716,401.80x = 1,465,074,602.70 × 666,780,010.60
  4. Step 4: Simplify right side
    976,716,401.80x = 976,882,459,118,096,896
  5. Step 5: Solve for x
    x = 976,882,459,118,096,896/976,716,401.80
  6. Step 6: Final answer
    x = 1,000,170,015.90

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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.