Home / 448,395,999.60-672,593,999.40-376,970,329.20

Finding the Fourth Proportional to 448,395,999.60, 672,593,999.40 and 376,970,329.20

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Solution

The fourth proportional to 448,395,999.60, 672,593,999.40 and 376,970,329.20 is: 565,455,493.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,395,999.60 : 672,593,999.40 = 376,970,329.20 : x
  2. Step 2: Convert to fraction form
    448,395,999.60/672,593,999.40 = 376,970,329.20/x
  3. Step 3: Cross multiply
    448,395,999.60x = 672,593,999.40 × 376,970,329.20
  4. Step 4: Simplify right side
    448,395,999.60x = 253,547,981,371,762,592
  5. Step 5: Solve for x
    x = 253,547,981,371,762,592/448,395,999.60
  6. Step 6: Final answer
    x = 565,455,493.80

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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.