Home / 834,978,844.14-1,152,239,237.26-463,724,790.36

Finding the Fourth Proportional to 834,978,844.14, 1,152,239,237.26 and 463,724,790.36

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Solution

The fourth proportional to 834,978,844.14, 1,152,239,237.26 and 463,724,790.36 is: 639,922,678.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    834,978,844.14 : 1,152,239,237.26 = 463,724,790.36 : x
  2. Step 2: Convert to fraction form
    834,978,844.14/1,152,239,237.26 = 463,724,790.36/x
  3. Step 3: Cross multiply
    834,978,844.14x = 1,152,239,237.26 × 463,724,790.36
  4. Step 4: Simplify right side
    834,978,844.14x = 534,321,898,742,959,808
  5. Step 5: Solve for x
    x = 534,321,898,742,959,808/834,978,844.14
  6. Step 6: Final answer
    x = 639,922,678.87

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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.