Home / 652,255,900.78-977,149,378.29-385,563,175.86

Finding the Fourth Proportional to 652,255,900.78, 977,149,378.29 and 385,563,175.86

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Solution

The fourth proportional to 652,255,900.78, 977,149,378.29 and 385,563,175.86 is: 577,615,039.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    652,255,900.78 : 977,149,378.29 = 385,563,175.86 : x
  2. Step 2: Convert to fraction form
    652,255,900.78/977,149,378.29 = 385,563,175.86/x
  3. Step 3: Cross multiply
    652,255,900.78x = 977,149,378.29 × 385,563,175.86
  4. Step 4: Simplify right side
    652,255,900.78x = 376,752,817,579,195,136
  5. Step 5: Solve for x
    x = 376,752,817,579,195,136/652,255,900.78
  6. Step 6: Final answer
    x = 577,615,039.02

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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.