Home / 872,269,835.58-1,203,736,115.40-475,801,465.14

Finding the Fourth Proportional to 872,269,835.58, 1,203,736,115.40 and 475,801,465.14

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Solution

The fourth proportional to 872,269,835.58, 1,203,736,115.40 and 475,801,465.14 is: 656,608,063.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    872,269,835.58 : 1,203,736,115.40 = 475,801,465.14 : x
  2. Step 2: Convert to fraction form
    872,269,835.58/1,203,736,115.40 = 475,801,465.14/x
  3. Step 3: Cross multiply
    872,269,835.58x = 1,203,736,115.40 × 475,801,465.14
  4. Step 4: Simplify right side
    872,269,835.58x = 572,739,407,349,252,160
  5. Step 5: Solve for x
    x = 572,739,407,349,252,160/872,269,835.58
  6. Step 6: Final answer
    x = 656,608,063.22

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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.