Home / 659,300,741.63-988,198,845.21-265,575,631.49

Finding the Fourth Proportional to 659,300,741.63, 988,198,845.21 and 265,575,631.49

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Solution

The fourth proportional to 659,300,741.63, 988,198,845.21 and 265,575,631.49 is: 398,060,423.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    659,300,741.63 : 988,198,845.21 = 265,575,631.49 : x
  2. Step 2: Convert to fraction form
    659,300,741.63/988,198,845.21 = 265,575,631.49/x
  3. Step 3: Cross multiply
    659,300,741.63x = 988,198,845.21 × 265,575,631.49
  4. Step 4: Simplify right side
    659,300,741.63x = 262,441,532,349,393,536
  5. Step 5: Solve for x
    x = 262,441,532,349,393,536/659,300,741.63
  6. Step 6: Final answer
    x = 398,060,423.39

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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.