Home / 512,032,410-706,379,552.10-300,231,131.40

Finding the Fourth Proportional to 512,032,410, 706,379,552.10 and 300,231,131.40

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Solution

The fourth proportional to 512,032,410, 706,379,552.10 and 300,231,131.40 is: 414,186,930.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    512,032,410 : 706,379,552.10 = 300,231,131.40 : x
  2. Step 2: Convert to fraction form
    512,032,410/706,379,552.10 = 300,231,131.40/x
  3. Step 3: Cross multiply
    512,032,410x = 706,379,552.10 × 300,231,131.40
  4. Step 4: Simplify right side
    512,032,410x = 212,077,132,124,808,224
  5. Step 5: Solve for x
    x = 212,077,132,124,808,224/512,032,410
  6. Step 6: Final answer
    x = 414,186,930.32

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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.