Home / 870,762,199.68-1,201,679,357.76-474,297,102.72

Finding the Fourth Proportional to 870,762,199.68, 1,201,679,357.76 and 474,297,102.72

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Solution

The fourth proportional to 870,762,199.68, 1,201,679,357.76 and 474,297,102.72 is: 654,544,992.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    870,762,199.68 : 1,201,679,357.76 = 474,297,102.72 : x
  2. Step 2: Convert to fraction form
    870,762,199.68/1,201,679,357.76 = 474,297,102.72/x
  3. Step 3: Cross multiply
    870,762,199.68x = 1,201,679,357.76 × 474,297,102.72
  4. Step 4: Simplify right side
    870,762,199.68x = 569,953,037,783,998,400
  5. Step 5: Solve for x
    x = 569,953,037,783,998,400/870,762,199.68
  6. Step 6: Final answer
    x = 654,544,992.87

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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.