Home / 622,172,065,808.86-858,735,575,822.22-378,249,704,334.98

Finding the Fourth Proportional to 622,172,065,808.86, 858,735,575,822.22 and 378,249,704,334.98

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Solution

The fourth proportional to 622,172,065,808.86, 858,735,575,822.22 and 378,249,704,334.98 is: 522,068,565,123.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    622,172,065,808.86 : 858,735,575,822.22 = 378,249,704,334.98 : x
  2. Step 2: Convert to fraction form
    622,172,065,808.86/858,735,575,822.22 = 378,249,704,334.98/x
  3. Step 3: Cross multiply
    622,172,065,808.86x = 858,735,575,822.22 × 378,249,704,334.98
  4. Step 4: Simplify right side
    622,172,065,808.86x = 324,816,477,656,683,468,816,384
  5. Step 5: Solve for x
    x = 324,816,477,656,683,468,816,384/622,172,065,808.86
  6. Step 6: Final answer
    x = 522,068,565,123.38

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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.