Home / 569,936,218.56-786,513,495.84-309,175,834.56

Finding the Fourth Proportional to 569,936,218.56, 786,513,495.84 and 309,175,834.56

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Solution

The fourth proportional to 569,936,218.56, 786,513,495.84 and 309,175,834.56 is: 426,663,473.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    569,936,218.56 : 786,513,495.84 = 309,175,834.56 : x
  2. Step 2: Convert to fraction form
    569,936,218.56/786,513,495.84 = 309,175,834.56/x
  3. Step 3: Cross multiply
    569,936,218.56x = 786,513,495.84 × 309,175,834.56
  4. Step 4: Simplify right side
    569,936,218.56x = 243,170,966,469,035,104
  5. Step 5: Solve for x
    x = 243,170,966,469,035,104/569,936,218.56
  6. Step 6: Final answer
    x = 426,663,473.12

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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.