Home / 1,620,572,082.31-2,235,704,658.93-1,084,896,323.86

Finding the Fourth Proportional to 1,620,572,082.31, 2,235,704,658.93 and 1,084,896,323.86

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Solution

The fourth proportional to 1,620,572,082.31, 2,235,704,658.93 and 1,084,896,323.86 is: 1,496,698,475.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,620,572,082.31 : 2,235,704,658.93 = 1,084,896,323.86 : x
  2. Step 2: Convert to fraction form
    1,620,572,082.31/2,235,704,658.93 = 1,084,896,323.86/x
  3. Step 3: Cross multiply
    1,620,572,082.31x = 2,235,704,658.93 × 1,084,896,323.86
  4. Step 4: Simplify right side
    1,620,572,082.31x = 2,425,507,765,709,831,680
  5. Step 5: Solve for x
    x = 2,425,507,765,709,831,680/1,620,572,082.31
  6. Step 6: Final answer
    x = 1,496,698,475.92

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.