Home / 553,312,272.30-829,968,408.45-144,368,422.80

Finding the Fourth Proportional to 553,312,272.30, 829,968,408.45 and 144,368,422.80

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Solution

The fourth proportional to 553,312,272.30, 829,968,408.45 and 144,368,422.80 is: 216,552,634.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    553,312,272.30 : 829,968,408.45 = 144,368,422.80 : x
  2. Step 2: Convert to fraction form
    553,312,272.30/829,968,408.45 = 144,368,422.80/x
  3. Step 3: Cross multiply
    553,312,272.30x = 829,968,408.45 × 144,368,422.80
  4. Step 4: Simplify right side
    553,312,272.30x = 119,821,230,101,752,704
  5. Step 5: Solve for x
    x = 119,821,230,101,752,704/553,312,272.30
  6. Step 6: Final answer
    x = 216,552,634.20

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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.