Home / 906,838,291,126.84-1,360,448,476,778-294,170,012,578.72

Finding the Fourth Proportional to 906,838,291,126.84, 1,360,448,476,778 and 294,170,012,578.72

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Solution

The fourth proportional to 906,838,291,126.84, 1,360,448,476,778 and 294,170,012,578.72 is: 441,316,990,517.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    906,838,291,126.84 : 1,360,448,476,778 = 294,170,012,578.72 : x
  2. Step 2: Convert to fraction form
    906,838,291,126.84/1,360,448,476,778 = 294,170,012,578.72/x
  3. Step 3: Cross multiply
    906,838,291,126.84x = 1,360,448,476,778 × 294,170,012,578.72
  4. Step 4: Simplify right side
    906,838,291,126.84x = 400,203,145,526,484,695,777,280
  5. Step 5: Solve for x
    x = 400,203,145,526,484,695,777,280/906,838,291,126.84
  6. Step 6: Final answer
    x = 441,316,990,517.89

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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.