Home / 608,828,100.66-840,185,083.85-330,369,624.18

Finding the Fourth Proportional to 608,828,100.66, 840,185,083.85 and 330,369,624.18

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Solution

The fourth proportional to 608,828,100.66, 840,185,083.85 and 330,369,624.18 is: 455,911,332.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,828,100.66 : 840,185,083.85 = 330,369,624.18 : x
  2. Step 2: Convert to fraction form
    608,828,100.66/840,185,083.85 = 330,369,624.18/x
  3. Step 3: Cross multiply
    608,828,100.66x = 840,185,083.85 × 330,369,624.18
  4. Step 4: Simplify right side
    608,828,100.66x = 277,571,630,391,514,464
  5. Step 5: Solve for x
    x = 277,571,630,391,514,464/608,828,100.66
  6. Step 6: Final answer
    x = 455,911,332.10

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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.