Home / 264,686,543.90-397,029,815.85-80,453,663.90

Finding the Fourth Proportional to 264,686,543.90, 397,029,815.85 and 80,453,663.90

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Solution

The fourth proportional to 264,686,543.90, 397,029,815.85 and 80,453,663.90 is: 120,680,495.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,686,543.90 : 397,029,815.85 = 80,453,663.90 : x
  2. Step 2: Convert to fraction form
    264,686,543.90/397,029,815.85 = 80,453,663.90/x
  3. Step 3: Cross multiply
    264,686,543.90x = 397,029,815.85 × 80,453,663.90
  4. Step 4: Simplify right side
    264,686,543.90x = 31,942,503,362,674,796
  5. Step 5: Solve for x
    x = 31,942,503,362,674,796/264,686,543.90
  6. Step 6: Final answer
    x = 120,680,495.85

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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.