Home / 949,164,821.82-1,310,301,656.81-632,152,625.86

Finding the Fourth Proportional to 949,164,821.82, 1,310,301,656.81 and 632,152,625.86

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Solution

The fourth proportional to 949,164,821.82, 1,310,301,656.81 and 632,152,625.86 is: 872,673,126.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    949,164,821.82 : 1,310,301,656.81 = 632,152,625.86 : x
  2. Step 2: Convert to fraction form
    949,164,821.82/1,310,301,656.81 = 632,152,625.86/x
  3. Step 3: Cross multiply
    949,164,821.82x = 1,310,301,656.81 × 632,152,625.86
  4. Step 4: Simplify right side
    949,164,821.82x = 828,310,633,018,205,568
  5. Step 5: Solve for x
    x = 828,310,633,018,205,568/949,164,821.82
  6. Step 6: Final answer
    x = 872,673,126.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.