Home / 667,534,222.32-921,195,746.64-370,169,115.36

Finding the Fourth Proportional to 667,534,222.32, 921,195,746.64 and 370,169,115.36

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Solution

The fourth proportional to 667,534,222.32, 921,195,746.64 and 370,169,115.36 is: 510,832,558.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    667,534,222.32 : 921,195,746.64 = 370,169,115.36 : x
  2. Step 2: Convert to fraction form
    667,534,222.32/921,195,746.64 = 370,169,115.36/x
  3. Step 3: Cross multiply
    667,534,222.32x = 921,195,746.64 × 370,169,115.36
  4. Step 4: Simplify right side
    667,534,222.32x = 340,998,214,607,123,520
  5. Step 5: Solve for x
    x = 340,998,214,607,123,520/667,534,222.32
  6. Step 6: Final answer
    x = 510,832,558.40

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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.