Home / 1,429,872,830.10-2,144,809,331.55-460,524,446.10

Finding the Fourth Proportional to 1,429,872,830.10, 2,144,809,331.55 and 460,524,446.10

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Solution

The fourth proportional to 1,429,872,830.10, 2,144,809,331.55 and 460,524,446.10 is: 690,786,696.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,429,872,830.10 : 2,144,809,331.55 = 460,524,446.10 : x
  2. Step 2: Convert to fraction form
    1,429,872,830.10/2,144,809,331.55 = 460,524,446.10/x
  3. Step 3: Cross multiply
    1,429,872,830.10x = 2,144,809,331.55 × 460,524,446.10
  4. Step 4: Simplify right side
    1,429,872,830.10x = 987,737,129,402,174,976
  5. Step 5: Solve for x
    x = 987,737,129,402,174,976/1,429,872,830.10
  6. Step 6: Final answer
    x = 690,786,696.98

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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.