Home / 1,263,012,689.58-1,742,763,880.68-727,060,755.78

Finding the Fourth Proportional to 1,263,012,689.58, 1,742,763,880.68 and 727,060,755.78

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Solution

The fourth proportional to 1,263,012,689.58, 1,742,763,880.68 and 727,060,755.78 is: 1,003,232,378.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,263,012,689.58 : 1,742,763,880.68 = 727,060,755.78 : x
  2. Step 2: Convert to fraction form
    1,263,012,689.58/1,742,763,880.68 = 727,060,755.78/x
  3. Step 3: Cross multiply
    1,263,012,689.58x = 1,742,763,880.68 × 727,060,755.78
  4. Step 4: Simplify right side
    1,263,012,689.58x = 1,267,095,224,233,286,656
  5. Step 5: Solve for x
    x = 1,267,095,224,233,286,656/1,263,012,689.58
  6. Step 6: Final answer
    x = 1,003,232,378.18

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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.