Home / 297,522,860.80-445,402,492.80-221,184,313.60

Finding the Fourth Proportional to 297,522,860.80, 445,402,492.80 and 221,184,313.60

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Solution

The fourth proportional to 297,522,860.80, 445,402,492.80 and 221,184,313.60 is: 331,120,924.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,522,860.80 : 445,402,492.80 = 221,184,313.60 : x
  2. Step 2: Convert to fraction form
    297,522,860.80/445,402,492.80 = 221,184,313.60/x
  3. Step 3: Cross multiply
    297,522,860.80x = 445,402,492.80 × 221,184,313.60
  4. Step 4: Simplify right side
    297,522,860.80x = 98,516,044,645,696,944
  5. Step 5: Solve for x
    x = 98,516,044,645,696,944/297,522,860.80
  6. Step 6: Final answer
    x = 331,120,924.22

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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.