Home / 561,707,135.10-840,918,411.45-400,463,999.10

Finding the Fourth Proportional to 561,707,135.10, 840,918,411.45 and 400,463,999.10

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Solution

The fourth proportional to 561,707,135.10, 840,918,411.45 and 400,463,999.10 is: 599,525,142.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    561,707,135.10 : 840,918,411.45 = 400,463,999.10 : x
  2. Step 2: Convert to fraction form
    561,707,135.10/840,918,411.45 = 400,463,999.10/x
  3. Step 3: Cross multiply
    561,707,135.10x = 840,918,411.45 × 400,463,999.10
  4. Step 4: Simplify right side
    561,707,135.10x = 336,757,549,966,086,272
  5. Step 5: Solve for x
    x = 336,757,549,966,086,272/561,707,135.10
  6. Step 6: Final answer
    x = 599,525,142.06

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.