Home / 928,662,512.96-1,393,606,680.80-492,269,652.77

Finding the Fourth Proportional to 928,662,512.96, 1,393,606,680.80 and 492,269,652.77

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Solution

The fourth proportional to 928,662,512.96, 1,393,606,680.80 and 492,269,652.77 is: 738,729,374.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    928,662,512.96 : 1,393,606,680.80 = 492,269,652.77 : x
  2. Step 2: Convert to fraction form
    928,662,512.96/1,393,606,680.80 = 492,269,652.77/x
  3. Step 3: Cross multiply
    928,662,512.96x = 1,393,606,680.80 × 492,269,652.77
  4. Step 4: Simplify right side
    928,662,512.96x = 686,030,276,855,368,192
  5. Step 5: Solve for x
    x = 686,030,276,855,368,192/928,662,512.96
  6. Step 6: Final answer
    x = 738,729,374.00

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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.