Home / 553,768,028.22-830,588,590.17-144,863,646.78

Finding the Fourth Proportional to 553,768,028.22, 830,588,590.17 and 144,863,646.78

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Solution

The fourth proportional to 553,768,028.22, 830,588,590.17 and 144,863,646.78 is: 217,278,871.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    553,768,028.22 : 830,588,590.17 = 144,863,646.78 : x
  2. Step 2: Convert to fraction form
    553,768,028.22/830,588,590.17 = 144,863,646.78/x
  3. Step 3: Cross multiply
    553,768,028.22x = 830,588,590.17 × 144,863,646.78
  4. Step 4: Simplify right side
    553,768,028.22x = 120,322,092,145,885,056
  5. Step 5: Solve for x
    x = 120,322,092,145,885,056/553,768,028.22
  6. Step 6: Final answer
    x = 217,278,871.32

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.