Home / 430,501,269,818.88-645,749,555,759.52-175,529,652,969.60

Finding the Fourth Proportional to 430,501,269,818.88, 645,749,555,759.52 and 175,529,652,969.60

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Solution

The fourth proportional to 430,501,269,818.88, 645,749,555,759.52 and 175,529,652,969.60 is: 263,293,521,701.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    430,501,269,818.88 : 645,749,555,759.52 = 175,529,652,969.60 : x
  2. Step 2: Convert to fraction form
    430,501,269,818.88/645,749,555,759.52 = 175,529,652,969.60/x
  3. Step 3: Cross multiply
    430,501,269,818.88x = 645,749,555,759.52 × 175,529,652,969.60
  4. Step 4: Simplify right side
    430,501,269,818.88x = 113,348,195,427,741,920,657,408
  5. Step 5: Solve for x
    x = 113,348,195,427,741,920,657,408/430,501,269,818.88
  6. Step 6: Final answer
    x = 263,293,521,701.88

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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.