Home / 557,672,222.10-769,583,412.92-306,771,213.18

Finding the Fourth Proportional to 557,672,222.10, 769,583,412.92 and 306,771,213.18

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Solution

The fourth proportional to 557,672,222.10, 769,583,412.92 and 306,771,213.18 is: 423,341,934.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    557,672,222.10 : 769,583,412.92 = 306,771,213.18 : x
  2. Step 2: Convert to fraction form
    557,672,222.10/769,583,412.92 = 306,771,213.18/x
  3. Step 3: Cross multiply
    557,672,222.10x = 769,583,412.92 × 306,771,213.18
  4. Step 4: Simplify right side
    557,672,222.10x = 236,086,037,224,673,280
  5. Step 5: Solve for x
    x = 236,086,037,224,673,280/557,672,222.10
  6. Step 6: Final answer
    x = 423,341,934.33

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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.