Home / 646,380,170.10-969,570,255.15-636,176,502.90

Finding the Fourth Proportional to 646,380,170.10, 969,570,255.15 and 636,176,502.90

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Solution

The fourth proportional to 646,380,170.10, 969,570,255.15 and 636,176,502.90 is: 954,264,754.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,380,170.10 : 969,570,255.15 = 636,176,502.90 : x
  2. Step 2: Convert to fraction form
    646,380,170.10/969,570,255.15 = 636,176,502.90/x
  3. Step 3: Cross multiply
    646,380,170.10x = 969,570,255.15 × 636,176,502.90
  4. Step 4: Simplify right side
    646,380,170.10x = 616,817,814,237,187,712
  5. Step 5: Solve for x
    x = 616,817,814,237,187,712/646,380,170.10
  6. Step 6: Final answer
    x = 954,264,754.35

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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.