Home / 648,903,542.56-973,355,325.12-157,613,501.78

Finding the Fourth Proportional to 648,903,542.56, 973,355,325.12 and 157,613,501.78

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Solution

The fourth proportional to 648,903,542.56, 973,355,325.12 and 157,613,501.78 is: 236,420,255.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,903,542.56 : 973,355,325.12 = 157,613,501.78 : x
  2. Step 2: Convert to fraction form
    648,903,542.56/973,355,325.12 = 157,613,501.78/x
  3. Step 3: Cross multiply
    648,903,542.56x = 973,355,325.12 × 157,613,501.78
  4. Step 4: Simplify right side
    648,903,542.56x = 153,413,941,268,373,600
  5. Step 5: Solve for x
    x = 153,413,941,268,373,600/648,903,542.56
  6. Step 6: Final answer
    x = 236,420,255.41

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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.