Home / 553,496,302.60-763,828,351.92-302,601,235.04

Finding the Fourth Proportional to 553,496,302.60, 763,828,351.92 and 302,601,235.04

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Solution

The fourth proportional to 553,496,302.60, 763,828,351.92 and 302,601,235.04 is: 417,591,592.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    553,496,302.60 : 763,828,351.92 = 302,601,235.04 : x
  2. Step 2: Convert to fraction form
    553,496,302.60/763,828,351.92 = 302,601,235.04/x
  3. Step 3: Cross multiply
    553,496,302.60x = 763,828,351.92 × 302,601,235.04
  4. Step 4: Simplify right side
    553,496,302.60x = 231,135,402,649,559,744
  5. Step 5: Solve for x
    x = 231,135,402,649,559,744/553,496,302.60
  6. Step 6: Final answer
    x = 417,591,592.87

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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.