Home / 684,052,786.92-943,967,555.98-370,780,274.84

Finding the Fourth Proportional to 684,052,786.92, 943,967,555.98 and 370,780,274.84

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Solution

The fourth proportional to 684,052,786.92, 943,967,555.98 and 370,780,274.84 is: 511,663,071.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,052,786.92 : 943,967,555.98 = 370,780,274.84 : x
  2. Step 2: Convert to fraction form
    684,052,786.92/943,967,555.98 = 370,780,274.84/x
  3. Step 3: Cross multiply
    684,052,786.92x = 943,967,555.98 × 370,780,274.84
  4. Step 4: Simplify right side
    684,052,786.92x = 350,004,549,846,307,456
  5. Step 5: Solve for x
    x = 350,004,549,846,307,456/684,052,786.92
  6. Step 6: Final answer
    x = 511,663,071.24

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Double scale
Find fourth proportional to 684,052,787.92, 943,967,557.36 and 370,780,275.84
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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.