Home / 648,483,527.09-972,826,067.57-217,762,800.05

Finding the Fourth Proportional to 648,483,527.09, 972,826,067.57 and 217,762,800.05

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Solution

The fourth proportional to 648,483,527.09, 972,826,067.57 and 217,762,800.05 is: 326,678,041.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,483,527.09 : 972,826,067.57 = 217,762,800.05 : x
  2. Step 2: Convert to fraction form
    648,483,527.09/972,826,067.57 = 217,762,800.05/x
  3. Step 3: Cross multiply
    648,483,527.09x = 972,826,067.57 × 217,762,800.05
  4. Step 4: Simplify right side
    648,483,527.09x = 211,845,328,429,720,768
  5. Step 5: Solve for x
    x = 211,845,328,429,720,768/648,483,527.09
  6. Step 6: Final answer
    x = 326,678,041.28

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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.