Home / 601,756,848.66-830,543,544.09-390,325,704.03

Finding the Fourth Proportional to 601,756,848.66, 830,543,544.09 and 390,325,704.03

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Solution

The fourth proportional to 601,756,848.66, 830,543,544.09 and 390,325,704.03 is: 538,726,720.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    601,756,848.66 : 830,543,544.09 = 390,325,704.03 : x
  2. Step 2: Convert to fraction form
    601,756,848.66/830,543,544.09 = 390,325,704.03/x
  3. Step 3: Cross multiply
    601,756,848.66x = 830,543,544.09 × 390,325,704.03
  4. Step 4: Simplify right side
    601,756,848.66x = 324,182,493,574,500,608
  5. Step 5: Solve for x
    x = 324,182,493,574,500,608/601,756,848.66
  6. Step 6: Final answer
    x = 538,726,720.43

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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.