Home / 648,483,518.08-972,826,054.08-217,762,791.04

Finding the Fourth Proportional to 648,483,518.08, 972,826,054.08 and 217,762,791.04

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Solution

The fourth proportional to 648,483,518.08, 972,826,054.08 and 217,762,791.04 is: 326,678,027.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,483,518.08 : 972,826,054.08 = 217,762,791.04 : x
  2. Step 2: Convert to fraction form
    648,483,518.08/972,826,054.08 = 217,762,791.04/x
  3. Step 3: Cross multiply
    648,483,518.08x = 972,826,054.08 × 217,762,791.04
  4. Step 4: Simplify right side
    648,483,518.08x = 211,845,316,732,890,784
  5. Step 5: Solve for x
    x = 211,845,316,732,890,784/648,483,518.08
  6. Step 6: Final answer
    x = 326,678,027.78

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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.