Home / 553,361,226.72-763,637,845.80-302,467,266.34

Finding the Fourth Proportional to 553,361,226.72, 763,637,845.80 and 302,467,266.34

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Solution

The fourth proportional to 553,361,226.72, 763,637,845.80 and 302,467,266.34 is: 417,404,473.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    553,361,226.72 : 763,637,845.80 = 302,467,266.34 : x
  2. Step 2: Convert to fraction form
    553,361,226.72/763,637,845.80 = 302,467,266.34/x
  3. Step 3: Cross multiply
    553,361,226.72x = 763,637,845.80 × 302,467,266.34
  4. Step 4: Simplify right side
    553,361,226.72x = 230,975,451,692,892,416
  5. Step 5: Solve for x
    x = 230,975,451,692,892,416/553,361,226.72
  6. Step 6: Final answer
    x = 417,404,473.86

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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.