Home / 569,519,457.12-785,967,366.56-318,608,881

Finding the Fourth Proportional to 569,519,457.12, 785,967,366.56 and 318,608,881

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Solution

The fourth proportional to 569,519,457.12, 785,967,366.56 and 318,608,881 is: 439,697,327.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    569,519,457.12 : 785,967,366.56 = 318,608,881 : x
  2. Step 2: Convert to fraction form
    569,519,457.12/785,967,366.56 = 318,608,881/x
  3. Step 3: Cross multiply
    569,519,457.12x = 785,967,366.56 × 318,608,881
  4. Step 4: Simplify right side
    569,519,457.12x = 250,416,183,162,198,400
  5. Step 5: Solve for x
    x = 250,416,183,162,198,400/569,519,457.12
  6. Step 6: Final answer
    x = 439,697,327.34

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.