Home / 680,347,635,611.85-938,880,113,838.55-367,488,018,068.96

Finding the Fourth Proportional to 680,347,635,611.85, 938,880,113,838.55 and 367,488,018,068.96

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Solution

The fourth proportional to 680,347,635,611.85, 938,880,113,838.55 and 367,488,018,068.96 is: 507,133,668,405.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    680,347,635,611.85 : 938,880,113,838.55 = 367,488,018,068.96 : x
  2. Step 2: Convert to fraction form
    680,347,635,611.85/938,880,113,838.55 = 367,488,018,068.96/x
  3. Step 3: Cross multiply
    680,347,635,611.85x = 938,880,113,838.55 × 367,488,018,068.96
  4. Step 4: Simplify right side
    680,347,635,611.85x = 345,027,192,238,888,328,364,032
  5. Step 5: Solve for x
    x = 345,027,192,238,888,328,364,032/680,347,635,611.85
  6. Step 6: Final answer
    x = 507,133,668,405.56

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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.