Home / 547,284,314.08-755,243,018.89-296,386,667.21

Finding the Fourth Proportional to 547,284,314.08, 755,243,018.89 and 296,386,667.21

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Solution

The fourth proportional to 547,284,314.08, 755,243,018.89 and 296,386,667.21 is: 409,008,545.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,284,314.08 : 755,243,018.89 = 296,386,667.21 : x
  2. Step 2: Convert to fraction form
    547,284,314.08/755,243,018.89 = 296,386,667.21/x
  3. Step 3: Cross multiply
    547,284,314.08x = 755,243,018.89 × 296,386,667.21
  4. Step 4: Simplify right side
    547,284,314.08x = 223,843,961,303,573,312
  5. Step 5: Solve for x
    x = 223,843,961,303,573,312/547,284,314.08
  6. Step 6: Final answer
    x = 409,008,545.55

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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.