Home / 553,768,014.72-830,588,569.92-144,863,633.28

Finding the Fourth Proportional to 553,768,014.72, 830,588,569.92 and 144,863,633.28

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Solution

The fourth proportional to 553,768,014.72, 830,588,569.92 and 144,863,633.28 is: 217,278,851.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    553,768,014.72 : 830,588,569.92 = 144,863,633.28 : x
  2. Step 2: Convert to fraction form
    553,768,014.72/830,588,569.92 = 144,863,633.28/x
  3. Step 3: Cross multiply
    553,768,014.72x = 830,588,569.92 × 144,863,633.28
  4. Step 4: Simplify right side
    553,768,014.72x = 120,322,077,999,450,512
  5. Step 5: Solve for x
    x = 120,322,077,999,450,512/553,768,014.72
  6. Step 6: Final answer
    x = 217,278,851.07

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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.