Home / 988,446,237.21-1,364,076,646.26-542,405,698.86

Finding the Fourth Proportional to 988,446,237.21, 1,364,076,646.26 and 542,405,698.86

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Solution

The fourth proportional to 988,446,237.21, 1,364,076,646.26 and 542,405,698.86 is: 748,531,299.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    988,446,237.21 : 1,364,076,646.26 = 542,405,698.86 : x
  2. Step 2: Convert to fraction form
    988,446,237.21/1,364,076,646.26 = 542,405,698.86/x
  3. Step 3: Cross multiply
    988,446,237.21x = 1,364,076,646.26 × 542,405,698.86
  4. Step 4: Simplify right side
    988,446,237.21x = 739,882,946,613,260,288
  5. Step 5: Solve for x
    x = 739,882,946,613,260,288/988,446,237.21
  6. Step 6: Final answer
    x = 748,531,299.69

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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.