Home / 1,363,112,456.76-1,880,774,806.12-827,252,244.58

Finding the Fourth Proportional to 1,363,112,456.76, 1,880,774,806.12 and 827,252,244.58

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Solution

The fourth proportional to 1,363,112,456.76, 1,880,774,806.12 and 827,252,244.58 is: 1,141,413,661.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,363,112,456.76 : 1,880,774,806.12 = 827,252,244.58 : x
  2. Step 2: Convert to fraction form
    1,363,112,456.76/1,880,774,806.12 = 827,252,244.58/x
  3. Step 3: Cross multiply
    1,363,112,456.76x = 1,880,774,806.12 × 827,252,244.58
  4. Step 4: Simplify right side
    1,363,112,456.76x = 1,555,875,179,912,284,416
  5. Step 5: Solve for x
    x = 1,555,875,179,912,284,416/1,363,112,456.76
  6. Step 6: Final answer
    x = 1,141,413,661.21

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Half scale
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Double scale
Find fourth proportional to 1,363,112,457.76, 1,880,774,807.50 and 827,252,245.58
Similar ratio
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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.