Home / 569,936,261.87-786,513,555.47-309,175,877.87

Finding the Fourth Proportional to 569,936,261.87, 786,513,555.47 and 309,175,877.87

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Solution

The fourth proportional to 569,936,261.87, 786,513,555.47 and 309,175,877.87 is: 426,663,532.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    569,936,261.87 : 786,513,555.47 = 309,175,877.87 : x
  2. Step 2: Convert to fraction form
    569,936,261.87/786,513,555.47 = 309,175,877.87/x
  3. Step 3: Cross multiply
    569,936,261.87x = 786,513,555.47 × 309,175,877.87
  4. Step 4: Simplify right side
    569,936,261.87x = 243,171,018,969,092,192
  5. Step 5: Solve for x
    x = 243,171,018,969,092,192/569,936,261.87
  6. Step 6: Final answer
    x = 426,663,532.82

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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.