Home / 659,300,738.63-988,198,840.71-265,575,628.49

Finding the Fourth Proportional to 659,300,738.63, 988,198,840.71 and 265,575,628.49

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Solution

The fourth proportional to 659,300,738.63, 988,198,840.71 and 265,575,628.49 is: 398,060,418.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    659,300,738.63 : 988,198,840.71 = 265,575,628.49 : x
  2. Step 2: Convert to fraction form
    659,300,738.63/988,198,840.71 = 265,575,628.49/x
  3. Step 3: Cross multiply
    659,300,738.63x = 988,198,840.71 × 265,575,628.49
  4. Step 4: Simplify right side
    659,300,738.63x = 262,441,528,193,230,496
  5. Step 5: Solve for x
    x = 262,441,528,193,230,496/659,300,738.63
  6. Step 6: Final answer
    x = 398,060,418.89

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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.