Home / 356,088,690.40-534,133,035.60-323,777,077.60

Finding the Fourth Proportional to 356,088,690.40, 534,133,035.60 and 323,777,077.60

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Solution

The fourth proportional to 356,088,690.40, 534,133,035.60 and 323,777,077.60 is: 485,665,616.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,088,690.40 : 534,133,035.60 = 323,777,077.60 : x
  2. Step 2: Convert to fraction form
    356,088,690.40/534,133,035.60 = 323,777,077.60/x
  3. Step 3: Cross multiply
    356,088,690.40x = 534,133,035.60 × 323,777,077.60
  4. Step 4: Simplify right side
    356,088,690.40x = 172,940,033,316,184,768
  5. Step 5: Solve for x
    x = 172,940,033,316,184,768/356,088,690.40
  6. Step 6: Final answer
    x = 485,665,616.40

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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.