Home / 1,276,558,446.40-1,761,574,733.28-740,668,596.48

Finding the Fourth Proportional to 1,276,558,446.40, 1,761,574,733.28 and 740,668,596.48

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Solution

The fourth proportional to 1,276,558,446.40, 1,761,574,733.28 and 740,668,596.48 is: 1,022,078,612.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,276,558,446.40 : 1,761,574,733.28 = 740,668,596.48 : x
  2. Step 2: Convert to fraction form
    1,276,558,446.40/1,761,574,733.28 = 740,668,596.48/x
  3. Step 3: Cross multiply
    1,276,558,446.40x = 1,761,574,733.28 × 740,668,596.48
  4. Step 4: Simplify right side
    1,276,558,446.40x = 1,304,743,085,293,127,936
  5. Step 5: Solve for x
    x = 1,304,743,085,293,127,936/1,276,558,446.40
  6. Step 6: Final answer
    x = 1,022,078,612.20

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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.