Home / 867,103,790.48-1,300,381,578.84-284,742,031.76

Finding the Fourth Proportional to 867,103,790.48, 1,300,381,578.84 and 284,742,031.76

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Solution

The fourth proportional to 867,103,790.48, 1,300,381,578.84 and 284,742,031.76 is: 427,023,035.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    867,103,790.48 : 1,300,381,578.84 = 284,742,031.76 : x
  2. Step 2: Convert to fraction form
    867,103,790.48/1,300,381,578.84 = 284,742,031.76/x
  3. Step 3: Cross multiply
    867,103,790.48x = 1,300,381,578.84 × 284,742,031.76
  4. Step 4: Simplify right side
    867,103,790.48x = 370,273,292,822,178,176
  5. Step 5: Solve for x
    x = 370,273,292,822,178,176/867,103,790.48
  6. Step 6: Final answer
    x = 427,023,035.64

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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.