Home / 538,307,835.81-743,003,030.70-350,603,871.06

Finding the Fourth Proportional to 538,307,835.81, 743,003,030.70 and 350,603,871.06

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Solution

The fourth proportional to 538,307,835.81, 743,003,030.70 and 350,603,871.06 is: 483,923,364.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,307,835.81 : 743,003,030.70 = 350,603,871.06 : x
  2. Step 2: Convert to fraction form
    538,307,835.81/743,003,030.70 = 350,603,871.06/x
  3. Step 3: Cross multiply
    538,307,835.81x = 743,003,030.70 × 350,603,871.06
  4. Step 4: Simplify right side
    538,307,835.81x = 260,499,738,770,979,008
  5. Step 5: Solve for x
    x = 260,499,738,770,979,008/538,307,835.81
  6. Step 6: Final answer
    x = 483,923,364.00

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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.