Home / 812,563,587.30-1,216,776,265.26-535,374,441.98

Finding the Fourth Proportional to 812,563,587.30, 1,216,776,265.26 and 535,374,441.98

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Solution

The fourth proportional to 812,563,587.30, 1,216,776,265.26 and 535,374,441.98 is: 801,698,383.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    812,563,587.30 : 1,216,776,265.26 = 535,374,441.98 : x
  2. Step 2: Convert to fraction form
    812,563,587.30/1,216,776,265.26 = 535,374,441.98/x
  3. Step 3: Cross multiply
    812,563,587.30x = 1,216,776,265.26 × 535,374,441.98
  4. Step 4: Simplify right side
    812,563,587.30x = 651,430,914,029,088,512
  5. Step 5: Solve for x
    x = 651,430,914,029,088,512/812,563,587.30
  6. Step 6: Final answer
    x = 801,698,383.01

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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.