Home / 383,952,119.32-529,853,916.43-207,740,114.72

Finding the Fourth Proportional to 383,952,119.32, 529,853,916.43 and 207,740,114.72

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Solution

The fourth proportional to 383,952,119.32, 529,853,916.43 and 207,740,114.72 is: 286,681,353.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,952,119.32 : 529,853,916.43 = 207,740,114.72 : x
  2. Step 2: Convert to fraction form
    383,952,119.32/529,853,916.43 = 207,740,114.72/x
  3. Step 3: Cross multiply
    383,952,119.32x = 529,853,916.43 × 207,740,114.72
  4. Step 4: Simplify right side
    383,952,119.32x = 110,071,913,385,416,192
  5. Step 5: Solve for x
    x = 110,071,913,385,416,192/383,952,119.32
  6. Step 6: Final answer
    x = 286,681,353.86

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.