Home / 443,881,943.10-665,822,914.65-120,765,815.10

Finding the Fourth Proportional to 443,881,943.10, 665,822,914.65 and 120,765,815.10

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Solution

The fourth proportional to 443,881,943.10, 665,822,914.65 and 120,765,815.10 is: 181,148,722.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,881,943.10 : 665,822,914.65 = 120,765,815.10 : x
  2. Step 2: Convert to fraction form
    443,881,943.10/665,822,914.65 = 120,765,815.10/x
  3. Step 3: Cross multiply
    443,881,943.10x = 665,822,914.65 × 120,765,815.10
  4. Step 4: Simplify right side
    443,881,943.10x = 80,408,646,999,964,976
  5. Step 5: Solve for x
    x = 80,408,646,999,964,976/443,881,943.10
  6. Step 6: Final answer
    x = 181,148,722.65

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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.