Home / 689,548,176.86-951,596,581.34-376,302,568.73

Finding the Fourth Proportional to 689,548,176.86, 951,596,581.34 and 376,302,568.73

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Solution

The fourth proportional to 689,548,176.86, 951,596,581.34 and 376,302,568.73 is: 519,308,512.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    689,548,176.86 : 951,596,581.34 = 376,302,568.73 : x
  2. Step 2: Convert to fraction form
    689,548,176.86/951,596,581.34 = 376,302,568.73/x
  3. Step 3: Cross multiply
    689,548,176.86x = 951,596,581.34 × 376,302,568.73
  4. Step 4: Simplify right side
    689,548,176.86x = 358,088,237,949,111,168
  5. Step 5: Solve for x
    x = 358,088,237,949,111,168/689,548,176.86
  6. Step 6: Final answer
    x = 519,308,512.40

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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.