Home / 896,260,722.39-1,236,927,968.87-543,809,051.19

Finding the Fourth Proportional to 896,260,722.39, 1,236,927,968.87 and 543,809,051.19

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Solution

The fourth proportional to 896,260,722.39, 1,236,927,968.87 and 543,809,051.19 is: 750,509,989.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    896,260,722.39 : 1,236,927,968.87 = 543,809,051.19 : x
  2. Step 2: Convert to fraction form
    896,260,722.39/1,236,927,968.87 = 543,809,051.19/x
  3. Step 3: Cross multiply
    896,260,722.39x = 1,236,927,968.87 × 543,809,051.19
  4. Step 4: Simplify right side
    896,260,722.39x = 672,652,625,138,849,536
  5. Step 5: Solve for x
    x = 672,652,625,138,849,536/896,260,722.39
  6. Step 6: Final answer
    x = 750,509,989.26

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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.