Home / 771,211,180.16-1,063,877,900.76-492,459,620.48

Finding the Fourth Proportional to 771,211,180.16, 1,063,877,900.76 and 492,459,620.48

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Solution

The fourth proportional to 771,211,180.16, 1,063,877,900.76 and 492,459,620.48 is: 679,342,987.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    771,211,180.16 : 1,063,877,900.76 = 492,459,620.48 : x
  2. Step 2: Convert to fraction form
    771,211,180.16/1,063,877,900.76 = 492,459,620.48/x
  3. Step 3: Cross multiply
    771,211,180.16x = 1,063,877,900.76 × 492,459,620.48
  4. Step 4: Simplify right side
    771,211,180.16x = 523,916,907,245,328,704
  5. Step 5: Solve for x
    x = 523,916,907,245,328,704/771,211,180.16
  6. Step 6: Final answer
    x = 679,342,987.66

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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.