Home / 867,758,558.40-1,301,648,432.64-254,355,187.68

Finding the Fourth Proportional to 867,758,558.40, 1,301,648,432.64 and 254,355,187.68

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Solution

The fourth proportional to 867,758,558.40, 1,301,648,432.64 and 254,355,187.68 is: 381,535,887.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    867,758,558.40 : 1,301,648,432.64 = 254,355,187.68 : x
  2. Step 2: Convert to fraction form
    867,758,558.40/1,301,648,432.64 = 254,355,187.68/x
  3. Step 3: Cross multiply
    867,758,558.40x = 1,301,648,432.64 × 254,355,187.68
  4. Step 4: Simplify right side
    867,758,558.40x = 331,081,031,377,525,056
  5. Step 5: Solve for x
    x = 331,081,031,377,525,056/867,758,558.40
  6. Step 6: Final answer
    x = 381,535,887.11

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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.