Home / 867,103,791.48-1,300,381,580.34-284,742,032.76

Finding the Fourth Proportional to 867,103,791.48, 1,300,381,580.34 and 284,742,032.76

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Solution

The fourth proportional to 867,103,791.48, 1,300,381,580.34 and 284,742,032.76 is: 427,023,037.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    867,103,791.48 : 1,300,381,580.34 = 284,742,032.76 : x
  2. Step 2: Convert to fraction form
    867,103,791.48/1,300,381,580.34 = 284,742,032.76/x
  3. Step 3: Cross multiply
    867,103,791.48x = 1,300,381,580.34 × 284,742,032.76
  4. Step 4: Simplify right side
    867,103,791.48x = 370,273,294,549,672,832
  5. Step 5: Solve for x
    x = 370,273,294,549,672,832/867,103,791.48
  6. Step 6: Final answer
    x = 427,023,037.14

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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.