Home / 569,519,461.16-785,967,372.08-318,608,885

Finding the Fourth Proportional to 569,519,461.16, 785,967,372.08 and 318,608,885

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Solution

The fourth proportional to 569,519,461.16, 785,967,372.08 and 318,608,885 is: 439,697,332.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    569,519,461.16 : 785,967,372.08 = 318,608,885 : x
  2. Step 2: Convert to fraction form
    569,519,461.16/785,967,372.08 = 318,608,885/x
  3. Step 3: Cross multiply
    569,519,461.16x = 785,967,372.08 × 318,608,885
  4. Step 4: Simplify right side
    569,519,461.16x = 250,416,188,064,788,960
  5. Step 5: Solve for x
    x = 250,416,188,064,788,960/569,519,461.16
  6. Step 6: Final answer
    x = 439,697,332.83

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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.