Home / 445,841,275.32-668,496,981.75-169,512,716.76

Finding the Fourth Proportional to 445,841,275.32, 668,496,981.75 and 169,512,716.76

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Solution

The fourth proportional to 445,841,275.32, 668,496,981.75 and 169,512,716.76 is: 254,168,345.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,841,275.32 : 668,496,981.75 = 169,512,716.76 : x
  2. Step 2: Convert to fraction form
    445,841,275.32/668,496,981.75 = 169,512,716.76/x
  3. Step 3: Cross multiply
    445,841,275.32x = 668,496,981.75 × 169,512,716.76
  4. Step 4: Simplify right side
    445,841,275.32x = 113,318,739,522,302,640
  5. Step 5: Solve for x
    x = 113,318,739,522,302,640/445,841,275.32
  6. Step 6: Final answer
    x = 254,168,345.99

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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.