Home / 569,936,261.37-786,513,554.78-309,175,877.37

Finding the Fourth Proportional to 569,936,261.37, 786,513,554.78 and 309,175,877.37

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Solution

The fourth proportional to 569,936,261.37, 786,513,554.78 and 309,175,877.37 is: 426,663,532.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    569,936,261.37 : 786,513,554.78 = 309,175,877.37 : x
  2. Step 2: Convert to fraction form
    569,936,261.37/786,513,554.78 = 309,175,877.37/x
  3. Step 3: Cross multiply
    569,936,261.37x = 786,513,554.78 × 309,175,877.37
  4. Step 4: Simplify right side
    569,936,261.37x = 243,171,018,360,958,176
  5. Step 5: Solve for x
    x = 243,171,018,360,958,176/569,936,261.37
  6. Step 6: Final answer
    x = 426,663,532.12

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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.