Home / 514,475,985.48-771,323,467.47-265,212,638.61

Finding the Fourth Proportional to 514,475,985.48, 771,323,467.47 and 265,212,638.61

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Solution

The fourth proportional to 514,475,985.48, 771,323,467.47 and 265,212,638.61 is: 397,617,649.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    514,475,985.48 : 771,323,467.47 = 265,212,638.61 : x
  2. Step 2: Convert to fraction form
    514,475,985.48/771,323,467.47 = 265,212,638.61/x
  3. Step 3: Cross multiply
    514,475,985.48x = 771,323,467.47 × 265,212,638.61
  4. Step 4: Simplify right side
    514,475,985.48x = 204,564,732,029,533,216
  5. Step 5: Solve for x
    x = 204,564,732,029,533,216/514,475,985.48
  6. Step 6: Final answer
    x = 397,617,649.42

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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.