Home / 654,122,956,543.20-981,184,434,814.80-402,867,855,410.40

Finding the Fourth Proportional to 654,122,956,543.20, 981,184,434,814.80 and 402,867,855,410.40

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Solution

The fourth proportional to 654,122,956,543.20, 981,184,434,814.80 and 402,867,855,410.40 is: 604,301,783,115.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,122,956,543.20 : 981,184,434,814.80 = 402,867,855,410.40 : x
  2. Step 2: Convert to fraction form
    654,122,956,543.20/981,184,434,814.80 = 402,867,855,410.40/x
  3. Step 3: Cross multiply
    654,122,956,543.20x = 981,184,434,814.80 × 402,867,855,410.40
  4. Step 4: Simplify right side
    654,122,956,543.20x = 395,287,669,015,903,916,261,376
  5. Step 5: Solve for x
    x = 395,287,669,015,903,916,261,376/654,122,956,543.20
  6. Step 6: Final answer
    x = 604,301,783,115.60

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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.