Home / 372,153,998.10-558,230,997.15-249,709,991.70

Finding the Fourth Proportional to 372,153,998.10, 558,230,997.15 and 249,709,991.70

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Solution

The fourth proportional to 372,153,998.10, 558,230,997.15 and 249,709,991.70 is: 374,564,987.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,153,998.10 : 558,230,997.15 = 249,709,991.70 : x
  2. Step 2: Convert to fraction form
    372,153,998.10/558,230,997.15 = 249,709,991.70/x
  3. Step 3: Cross multiply
    372,153,998.10x = 558,230,997.15 × 249,709,991.70
  4. Step 4: Simplify right side
    372,153,998.10x = 139,395,857,665,009,216
  5. Step 5: Solve for x
    x = 139,395,857,665,009,216/372,153,998.10
  6. Step 6: Final answer
    x = 374,564,987.55

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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.