Home / 13,283,911,196.66-18,331,880,355.69-7,262,429,574.98

Finding the Fourth Proportional to 13,283,911,196.66, 18,331,880,355.69 and 7,262,429,574.98

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Solution

The fourth proportional to 13,283,911,196.66, 18,331,880,355.69 and 7,262,429,574.98 is: 10,022,198,137.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,283,911,196.66 : 18,331,880,355.69 = 7,262,429,574.98 : x
  2. Step 2: Convert to fraction form
    13,283,911,196.66/18,331,880,355.69 = 7,262,429,574.98/x
  3. Step 3: Cross multiply
    13,283,911,196.66x = 18,331,880,355.69 × 7,262,429,574.98
  4. Step 4: Simplify right side
    13,283,911,196.66x = 133,133,990,060,157,927,424
  5. Step 5: Solve for x
    x = 133,133,990,060,157,927,424/13,283,911,196.66
  6. Step 6: Final answer
    x = 10,022,198,137.97

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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.