Home / 431,570,622.60-647,355,933.90-381,686,027.40

Finding the Fourth Proportional to 431,570,622.60, 647,355,933.90 and 381,686,027.40

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Solution

The fourth proportional to 431,570,622.60, 647,355,933.90 and 381,686,027.40 is: 572,529,041.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    431,570,622.60 : 647,355,933.90 = 381,686,027.40 : x
  2. Step 2: Convert to fraction form
    431,570,622.60/647,355,933.90 = 381,686,027.40/x
  3. Step 3: Cross multiply
    431,570,622.60x = 647,355,933.90 × 381,686,027.40
  4. Step 4: Simplify right side
    431,570,622.60x = 247,086,714,724,107,968
  5. Step 5: Solve for x
    x = 247,086,714,724,107,968/431,570,622.60
  6. Step 6: Final answer
    x = 572,529,041.10

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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.