Home / 812,050,667.55-1,120,600,926.41-459,619,091.46

Finding the Fourth Proportional to 812,050,667.55, 1,120,600,926.41 and 459,619,091.46

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Solution

The fourth proportional to 812,050,667.55, 1,120,600,926.41 and 459,619,091.46 is: 634,257,935.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    812,050,667.55 : 1,120,600,926.41 = 459,619,091.46 : x
  2. Step 2: Convert to fraction form
    812,050,667.55/1,120,600,926.41 = 459,619,091.46/x
  3. Step 3: Cross multiply
    812,050,667.55x = 1,120,600,926.41 × 459,619,091.46
  4. Step 4: Simplify right side
    812,050,667.55x = 515,049,579,683,500,416
  5. Step 5: Solve for x
    x = 515,049,579,683,500,416/812,050,667.55
  6. Step 6: Final answer
    x = 634,257,935.21

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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.