Home / 622,172,065,809.86-858,735,575,823.60-378,249,704,335.98

Finding the Fourth Proportional to 622,172,065,809.86, 858,735,575,823.60 and 378,249,704,335.98

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Solution

The fourth proportional to 622,172,065,809.86, 858,735,575,823.60 and 378,249,704,335.98 is: 522,068,565,124.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    622,172,065,809.86 : 858,735,575,823.60 = 378,249,704,335.98 : x
  2. Step 2: Convert to fraction form
    622,172,065,809.86/858,735,575,823.60 = 378,249,704,335.98/x
  3. Step 3: Cross multiply
    622,172,065,809.86x = 858,735,575,823.60 × 378,249,704,335.98
  4. Step 4: Simplify right side
    622,172,065,809.86x = 324,816,477,658,064,233,693,184
  5. Step 5: Solve for x
    x = 324,816,477,658,064,233,693,184/622,172,065,809.86
  6. Step 6: Final answer
    x = 522,068,565,124.77

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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.