Home / 463,974,036.54-640,279,318.32-345,426,690.66

Finding the Fourth Proportional to 463,974,036.54, 640,279,318.32 and 345,426,690.66

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Solution

The fourth proportional to 463,974,036.54, 640,279,318.32 and 345,426,690.66 is: 476,685,220.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    463,974,036.54 : 640,279,318.32 = 345,426,690.66 : x
  2. Step 2: Convert to fraction form
    463,974,036.54/640,279,318.32 = 345,426,690.66/x
  3. Step 3: Cross multiply
    463,974,036.54x = 640,279,318.32 × 345,426,690.66
  4. Step 4: Simplify right side
    463,974,036.54x = 221,169,566,025,318,336
  5. Step 5: Solve for x
    x = 221,169,566,025,318,336/463,974,036.54
  6. Step 6: Final answer
    x = 476,685,220.74

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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.