Home / 37,586,163,506.32-51,870,269,407.88-21,531,947,367.92

Finding the Fourth Proportional to 37,586,163,506.32, 51,870,269,407.88 and 21,531,947,367.92

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Solution

The fourth proportional to 37,586,163,506.32, 51,870,269,407.88 and 21,531,947,367.92 is: 29,714,868,628.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,586,163,506.32 : 51,870,269,407.88 = 21,531,947,367.92 : x
  2. Step 2: Convert to fraction form
    37,586,163,506.32/51,870,269,407.88 = 21,531,947,367.92/x
  3. Step 3: Cross multiply
    37,586,163,506.32x = 51,870,269,407.88 × 21,531,947,367.92
  4. Step 4: Simplify right side
    37,586,163,506.32x = 1,116,867,910,850,302,967,808
  5. Step 5: Solve for x
    x = 1,116,867,910,850,302,967,808/37,586,163,506.32
  6. Step 6: Final answer
    x = 29,714,868,628.78

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Double scale
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1.5x scale

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.