Home / 13,283,911,194.66-18,331,880,352.93-7,262,429,572.98

Finding the Fourth Proportional to 13,283,911,194.66, 18,331,880,352.93 and 7,262,429,572.98

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Solution

The fourth proportional to 13,283,911,194.66, 18,331,880,352.93 and 7,262,429,572.98 is: 10,022,198,135.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,283,911,194.66 : 18,331,880,352.93 = 7,262,429,572.98 : x
  2. Step 2: Convert to fraction form
    13,283,911,194.66/18,331,880,352.93 = 7,262,429,572.98/x
  3. Step 3: Cross multiply
    13,283,911,194.66x = 18,331,880,352.93 × 7,262,429,572.98
  4. Step 4: Simplify right side
    13,283,911,194.66x = 133,133,990,003,449,872,384
  5. Step 5: Solve for x
    x = 133,133,990,003,449,872,384/13,283,911,194.66
  6. Step 6: Final answer
    x = 10,022,198,135.21

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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.