Home / 42,354,520,991.37-63,516,933,024.93-12,500,886,589.29

Finding the Fourth Proportional to 42,354,520,991.37, 63,516,933,024.93 and 12,500,886,589.29

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Solution

The fourth proportional to 42,354,520,991.37, 63,516,933,024.93 and 12,500,886,589.29 is: 18,746,947,377.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,354,520,991.37 : 63,516,933,024.93 = 12,500,886,589.29 : x
  2. Step 2: Convert to fraction form
    42,354,520,991.37/63,516,933,024.93 = 12,500,886,589.29/x
  3. Step 3: Cross multiply
    42,354,520,991.37x = 63,516,933,024.93 × 12,500,886,589.29
  4. Step 4: Simplify right side
    42,354,520,991.37x = 794,017,976,244,178,649,088
  5. Step 5: Solve for x
    x = 794,017,976,244,178,649,088/42,354,520,991.37
  6. Step 6: Final answer
    x = 18,746,947,377.97

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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.