Home / 1,235,219,347.63-1,852,888,611.66-406,154,635.21

Finding the Fourth Proportional to 1,235,219,347.63, 1,852,888,611.66 and 406,154,635.21

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Solution

The fourth proportional to 1,235,219,347.63, 1,852,888,611.66 and 406,154,635.21 is: 609,251,546.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,235,219,347.63 : 1,852,888,611.66 = 406,154,635.21 : x
  2. Step 2: Convert to fraction form
    1,235,219,347.63/1,852,888,611.66 = 406,154,635.21/x
  3. Step 3: Cross multiply
    1,235,219,347.63x = 1,852,888,611.66 × 406,154,635.21
  4. Step 4: Simplify right side
    1,235,219,347.63x = 752,559,298,153,530,624
  5. Step 5: Solve for x
    x = 752,559,298,153,530,624/1,235,219,347.63
  6. Step 6: Final answer
    x = 609,251,546.78

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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.