Home / 528,829,814.19-729,015,994.83-369,565,465.53

Finding the Fourth Proportional to 528,829,814.19, 729,015,994.83 and 369,565,465.53

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Solution

The fourth proportional to 528,829,814.19, 729,015,994.83 and 369,565,465.53 is: 509,462,833.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,829,814.19 : 729,015,994.83 = 369,565,465.53 : x
  2. Step 2: Convert to fraction form
    528,829,814.19/729,015,994.83 = 369,565,465.53/x
  3. Step 3: Cross multiply
    528,829,814.19x = 729,015,994.83 × 369,565,465.53
  4. Step 4: Simplify right side
    528,829,814.19x = 269,419,135,508,165,024
  5. Step 5: Solve for x
    x = 269,419,135,508,165,024/528,829,814.19
  6. Step 6: Final answer
    x = 509,462,833.37

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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.