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Finding the Fourth Proportional to 307,766,956.63, 461,678,814.66 and 100,506,453.49

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Solution

The fourth proportional to 307,766,956.63, 461,678,814.66 and 100,506,453.49 is: 150,768,948.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,766,956.63 : 461,678,814.66 = 100,506,453.49 : x
  2. Step 2: Convert to fraction form
    307,766,956.63/461,678,814.66 = 100,506,453.49/x
  3. Step 3: Cross multiply
    307,766,956.63x = 461,678,814.66 × 100,506,453.49
  4. Step 4: Simplify right side
    307,766,956.63x = 46,401,700,312,943,624
  5. Step 5: Solve for x
    x = 46,401,700,312,943,624/307,766,956.63
  6. Step 6: Final answer
    x = 150,768,948.11

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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.