Home / 430,156,077,746.83-644,916,023,181.70-260,137,868,821.20

Finding the Fourth Proportional to 430,156,077,746.83, 644,916,023,181.70 and 260,137,868,821.20

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Solution

The fourth proportional to 430,156,077,746.83, 644,916,023,181.70 and 260,137,868,821.20 is: 390,014,435,499.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    430,156,077,746.83 : 644,916,023,181.70 = 260,137,868,821.20 : x
  2. Step 2: Convert to fraction form
    430,156,077,746.83/644,916,023,181.70 = 260,137,868,821.20/x
  3. Step 3: Cross multiply
    430,156,077,746.83x = 644,916,023,181.70 × 260,137,868,821.20
  4. Step 4: Simplify right side
    430,156,077,746.83x = 167,767,079,839,131,043,364,864
  5. Step 5: Solve for x
    x = 167,767,079,839,131,043,364,864/430,156,077,746.83
  6. Step 6: Final answer
    x = 390,014,435,499.55

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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.