Home / 645,302,159,954.73-890,595,069,122.16-367,272,322,377.75

Finding the Fourth Proportional to 645,302,159,954.73, 890,595,069,122.16 and 367,272,322,377.75

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Solution

The fourth proportional to 645,302,159,954.73, 890,595,069,122.16 and 367,272,322,377.75 is: 506,880,248,715.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    645,302,159,954.73 : 890,595,069,122.16 = 367,272,322,377.75 : x
  2. Step 2: Convert to fraction form
    645,302,159,954.73/890,595,069,122.16 = 367,272,322,377.75/x
  3. Step 3: Cross multiply
    645,302,159,954.73x = 890,595,069,122.16 × 367,272,322,377.75
  4. Step 4: Simplify right side
    645,302,159,954.73x = 327,090,919,334,668,480,282,624
  5. Step 5: Solve for x
    x = 327,090,919,334,668,480,282,624/645,302,159,954.73
  6. Step 6: Final answer
    x = 506,880,248,715.76

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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.