Home / 430,156,077,747.83-644,916,023,183.20-260,137,868,822.20

Finding the Fourth Proportional to 430,156,077,747.83, 644,916,023,183.20 and 260,137,868,822.20

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Solution

The fourth proportional to 430,156,077,747.83, 644,916,023,183.20 and 260,137,868,822.20 is: 390,014,435,501.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    430,156,077,747.83 : 644,916,023,183.20 = 260,137,868,822.20 : x
  2. Step 2: Convert to fraction form
    430,156,077,747.83/644,916,023,183.20 = 260,137,868,822.20/x
  3. Step 3: Cross multiply
    430,156,077,747.83x = 644,916,023,183.20 × 260,137,868,822.20
  4. Step 4: Simplify right side
    430,156,077,747.83x = 167,767,079,840,166,164,037,632
  5. Step 5: Solve for x
    x = 167,767,079,840,166,164,037,632/430,156,077,747.83
  6. Step 6: Final answer
    x = 390,014,435,501.05

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1.5x scale

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.