Home / 742,234,583.52-1,024,222,742.40-407,689,816.82

Finding the Fourth Proportional to 742,234,583.52, 1,024,222,742.40 and 407,689,816.82

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Solution

The fourth proportional to 742,234,583.52, 1,024,222,742.40 and 407,689,816.82 is: 562,578,450.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    742,234,583.52 : 1,024,222,742.40 = 407,689,816.82 : x
  2. Step 2: Convert to fraction form
    742,234,583.52/1,024,222,742.40 = 407,689,816.82/x
  3. Step 3: Cross multiply
    742,234,583.52x = 1,024,222,742.40 × 407,689,816.82
  4. Step 4: Simplify right side
    742,234,583.52x = 417,565,182,231,934,016
  5. Step 5: Solve for x
    x = 417,565,182,231,934,016/742,234,583.52
  6. Step 6: Final answer
    x = 562,578,450.94

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Double scale
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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.