Home / 1,118,346,304.86-1,677,761,607.43-428,253,583.43

Finding the Fourth Proportional to 1,118,346,304.86, 1,677,761,607.43 and 428,253,583.43

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Solution

The fourth proportional to 1,118,346,304.86, 1,677,761,607.43 and 428,253,583.43 is: 642,473,102.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,118,346,304.86 : 1,677,761,607.43 = 428,253,583.43 : x
  2. Step 2: Convert to fraction form
    1,118,346,304.86/1,677,761,607.43 = 428,253,583.43/x
  3. Step 3: Cross multiply
    1,118,346,304.86x = 1,677,761,607.43 × 428,253,583.43
  4. Step 4: Simplify right side
    1,118,346,304.86x = 718,507,420,527,925,504
  5. Step 5: Solve for x
    x = 718,507,420,527,925,504/1,118,346,304.86
  6. Step 6: Final answer
    x = 642,473,102.84

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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.