Home / 545,358,178.03-752,595,127.73-310,408,836.07

Finding the Fourth Proportional to 545,358,178.03, 752,595,127.73 and 310,408,836.07

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Solution

The fourth proportional to 545,358,178.03, 752,595,127.73 and 310,408,836.07 is: 428,364,673.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,358,178.03 : 752,595,127.73 = 310,408,836.07 : x
  2. Step 2: Convert to fraction form
    545,358,178.03/752,595,127.73 = 310,408,836.07/x
  3. Step 3: Cross multiply
    545,358,178.03x = 752,595,127.73 × 310,408,836.07
  4. Step 4: Simplify right side
    545,358,178.03x = 233,612,177,630,622,272
  5. Step 5: Solve for x
    x = 233,612,177,630,622,272/545,358,178.03
  6. Step 6: Final answer
    x = 428,364,673.06

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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.