Home / 1,166,261,416-1,609,474,346.40-644,774,240.32

Finding the Fourth Proportional to 1,166,261,416, 1,609,474,346.40 and 644,774,240.32

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Solution

The fourth proportional to 1,166,261,416, 1,609,474,346.40 and 644,774,240.32 is: 889,807,023.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,166,261,416 : 1,609,474,346.40 = 644,774,240.32 : x
  2. Step 2: Convert to fraction form
    1,166,261,416/1,609,474,346.40 = 644,774,240.32/x
  3. Step 3: Cross multiply
    1,166,261,416x = 1,609,474,346.40 × 644,774,240.32
  4. Step 4: Simplify right side
    1,166,261,416x = 1,037,747,599,014,588,672
  5. Step 5: Solve for x
    x = 1,037,747,599,014,588,672/1,166,261,416
  6. Step 6: Final answer
    x = 889,807,023.35

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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.