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Finding the Fourth Proportional to 519,953,237.66, 779,929,809.14 and 228,820,360.35

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Solution

The fourth proportional to 519,953,237.66, 779,929,809.14 and 228,820,360.35 is: 343,230,519.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,953,237.66 : 779,929,809.14 = 228,820,360.35 : x
  2. Step 2: Convert to fraction form
    519,953,237.66/779,929,809.14 = 228,820,360.35/x
  3. Step 3: Cross multiply
    519,953,237.66x = 779,929,809.14 × 228,820,360.35
  4. Step 4: Simplify right side
    519,953,237.66x = 178,463,819,973,977,408
  5. Step 5: Solve for x
    x = 178,463,819,973,977,408/519,953,237.66
  6. Step 6: Final answer
    x = 343,230,519.69

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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.