Home / 2,818,131,574.32-3,889,110,535.83-1,688,729,104.35

Finding the Fourth Proportional to 2,818,131,574.32, 3,889,110,535.83 and 1,688,729,104.35

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Solution

The fourth proportional to 2,818,131,574.32, 3,889,110,535.83 and 1,688,729,104.35 is: 2,330,499,474.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,818,131,574.32 : 3,889,110,535.83 = 1,688,729,104.35 : x
  2. Step 2: Convert to fraction form
    2,818,131,574.32/3,889,110,535.83 = 1,688,729,104.35/x
  3. Step 3: Cross multiply
    2,818,131,574.32x = 3,889,110,535.83 × 1,688,729,104.35
  4. Step 4: Simplify right side
    2,818,131,574.32x = 6,567,654,151,890,343,936
  5. Step 5: Solve for x
    x = 6,567,654,151,890,343,936/2,818,131,574.32
  6. Step 6: Final answer
    x = 2,330,499,474.10

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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.