Home / 430,156,077,751.10-644,916,023,188.20-260,137,868,825.52

Finding the Fourth Proportional to 430,156,077,751.10, 644,916,023,188.20 and 260,137,868,825.52

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Solution

The fourth proportional to 430,156,077,751.10, 644,916,023,188.20 and 260,137,868,825.52 is: 390,014,435,506.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    430,156,077,751.10 : 644,916,023,188.20 = 260,137,868,825.52 : x
  2. Step 2: Convert to fraction form
    430,156,077,751.10/644,916,023,188.20 = 260,137,868,825.52/x
  3. Step 3: Cross multiply
    430,156,077,751.10x = 644,916,023,188.20 × 260,137,868,825.52
  4. Step 4: Simplify right side
    430,156,077,751.10x = 167,767,079,843,607,976,345,600
  5. Step 5: Solve for x
    x = 167,767,079,843,607,976,345,600/430,156,077,751.10
  6. Step 6: Final answer
    x = 390,014,435,506.09

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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.