Home / 471,543,637.80-706,533,505.77-286,752,132.39

Finding the Fourth Proportional to 471,543,637.80, 706,533,505.77 and 286,752,132.39

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Solution

The fourth proportional to 471,543,637.80, 706,533,505.77 and 286,752,132.39 is: 429,652,683.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    471,543,637.80 : 706,533,505.77 = 286,752,132.39 : x
  2. Step 2: Convert to fraction form
    471,543,637.80/706,533,505.77 = 286,752,132.39/x
  3. Step 3: Cross multiply
    471,543,637.80x = 706,533,505.77 × 286,752,132.39
  4. Step 4: Simplify right side
    471,543,637.80x = 202,599,989,384,529,856
  5. Step 5: Solve for x
    x = 202,599,989,384,529,856/471,543,637.80
  6. Step 6: Final answer
    x = 429,652,683.53

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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.