Home / 263,077,248,478.20-394,781,869,533.28-111,983,303,169.08

Finding the Fourth Proportional to 263,077,248,478.20, 394,781,869,533.28 and 111,983,303,169.08

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Solution

The fourth proportional to 263,077,248,478.20, 394,781,869,533.28 and 111,983,303,169.08 is: 168,045,614,120.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,077,248,478.20 : 394,781,869,533.28 = 111,983,303,169.08 : x
  2. Step 2: Convert to fraction form
    263,077,248,478.20/394,781,869,533.28 = 111,983,303,169.08/x
  3. Step 3: Cross multiply
    263,077,248,478.20x = 394,781,869,533.28 × 111,983,303,169.08
  4. Step 4: Simplify right side
    263,077,248,478.20x = 44,208,977,781,601,482,047,488
  5. Step 5: Solve for x
    x = 44,208,977,781,601,482,047,488/263,077,248,478.20
  6. Step 6: Final answer
    x = 168,045,614,120.31

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.