Home / 684,052,787.42-943,967,556.67-370,780,275.34

Finding the Fourth Proportional to 684,052,787.42, 943,967,556.67 and 370,780,275.34

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Solution

The fourth proportional to 684,052,787.42, 943,967,556.67 and 370,780,275.34 is: 511,663,071.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,052,787.42 : 943,967,556.67 = 370,780,275.34 : x
  2. Step 2: Convert to fraction form
    684,052,787.42/943,967,556.67 = 370,780,275.34/x
  3. Step 3: Cross multiply
    684,052,787.42x = 943,967,556.67 × 370,780,275.34
  4. Step 4: Simplify right side
    684,052,787.42x = 350,004,550,574,129,600
  5. Step 5: Solve for x
    x = 350,004,550,574,129,600/684,052,787.42
  6. Step 6: Final answer
    x = 511,663,071.93

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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.