Home / 858,411,078-1,184,539,748.38-487,133,108.16

Finding the Fourth Proportional to 858,411,078, 1,184,539,748.38 and 487,133,108.16

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Solution

The fourth proportional to 858,411,078, 1,184,539,748.38 and 487,133,108.16 is: 672,205,361.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    858,411,078 : 1,184,539,748.38 = 487,133,108.16 : x
  2. Step 2: Convert to fraction form
    858,411,078/1,184,539,748.38 = 487,133,108.16/x
  3. Step 3: Cross multiply
    858,411,078x = 1,184,539,748.38 × 487,133,108.16
  4. Step 4: Simplify right side
    858,411,078x = 577,028,529,367,413,760
  5. Step 5: Solve for x
    x = 577,028,529,367,413,760/858,411,078
  6. Step 6: Final answer
    x = 672,205,361.92

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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.