Home / 648,903,535.89-973,355,315.11-157,613,495.10

Finding the Fourth Proportional to 648,903,535.89, 973,355,315.11 and 157,613,495.10

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Solution

The fourth proportional to 648,903,535.89, 973,355,315.11 and 157,613,495.10 is: 236,420,245.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,903,535.89 : 973,355,315.11 = 157,613,495.10 : x
  2. Step 2: Convert to fraction form
    648,903,535.89/973,355,315.11 = 157,613,495.10/x
  3. Step 3: Cross multiply
    648,903,535.89x = 973,355,315.11 × 157,613,495.10
  4. Step 4: Simplify right side
    648,903,535.89x = 153,413,933,190,688,288
  5. Step 5: Solve for x
    x = 153,413,933,190,688,288/648,903,535.89
  6. Step 6: Final answer
    x = 236,420,245.39

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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.