Home / 208,895,272,374.84-313,404,385,635.30-67,402,039,679.18

Finding the Fourth Proportional to 208,895,272,374.84, 313,404,385,635.30 and 67,402,039,679.18

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Solution

The fourth proportional to 208,895,272,374.84, 313,404,385,635.30 and 67,402,039,679.18 is: 101,122,895,679.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,895,272,374.84 : 313,404,385,635.30 = 67,402,039,679.18 : x
  2. Step 2: Convert to fraction form
    208,895,272,374.84/313,404,385,635.30 = 67,402,039,679.18/x
  3. Step 3: Cross multiply
    208,895,272,374.84x = 313,404,385,635.30 × 67,402,039,679.18
  4. Step 4: Simplify right side
    208,895,272,374.84x = 21,124,094,836,219,521,794,048
  5. Step 5: Solve for x
    x = 21,124,094,836,219,521,794,048/208,895,272,374.84
  6. Step 6: Final answer
    x = 101,122,895,679.11

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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.