Home / 455,171,430.60-682,757,145.90-406,704,011.40

Finding the Fourth Proportional to 455,171,430.60, 682,757,145.90 and 406,704,011.40

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Solution

The fourth proportional to 455,171,430.60, 682,757,145.90 and 406,704,011.40 is: 610,056,017.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,171,430.60 : 682,757,145.90 = 406,704,011.40 : x
  2. Step 2: Convert to fraction form
    455,171,430.60/682,757,145.90 = 406,704,011.40/x
  3. Step 3: Cross multiply
    455,171,430.60x = 682,757,145.90 × 406,704,011.40
  4. Step 4: Simplify right side
    455,171,430.60x = 277,680,070,049,545,024
  5. Step 5: Solve for x
    x = 277,680,070,049,545,024/455,171,430.60
  6. Step 6: Final answer
    x = 610,056,017.10

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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.