Home / 659,892,158.34-990,079,627.94-620,907,971.66

Finding the Fourth Proportional to 659,892,158.34, 990,079,627.94 and 620,907,971.66

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Solution

The fourth proportional to 659,892,158.34, 990,079,627.94 and 620,907,971.66 is: 931,589,087.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    659,892,158.34 : 990,079,627.94 = 620,907,971.66 : x
  2. Step 2: Convert to fraction form
    659,892,158.34/990,079,627.94 = 620,907,971.66/x
  3. Step 3: Cross multiply
    659,892,158.34x = 990,079,627.94 × 620,907,971.66
  4. Step 4: Simplify right side
    659,892,158.34x = 614,748,333,558,057,856
  5. Step 5: Solve for x
    x = 614,748,333,558,057,856/659,892,158.34
  6. Step 6: Final answer
    x = 931,589,087.38

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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.