Home / 514,476,012.57-771,323,508.12-265,212,665.70

Finding the Fourth Proportional to 514,476,012.57, 771,323,508.12 and 265,212,665.70

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Solution

The fourth proportional to 514,476,012.57, 771,323,508.12 and 265,212,665.70 is: 397,617,690.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    514,476,012.57 : 771,323,508.12 = 265,212,665.70 : x
  2. Step 2: Convert to fraction form
    514,476,012.57/771,323,508.12 = 265,212,665.70/x
  3. Step 3: Cross multiply
    514,476,012.57x = 771,323,508.12 × 265,212,665.70
  4. Step 4: Simplify right side
    514,476,012.57x = 204,564,763,705,580,800
  5. Step 5: Solve for x
    x = 204,564,763,705,580,800/514,476,012.57
  6. Step 6: Final answer
    x = 397,617,690.05

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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.