Home / 742,973,386.73-1,025,242,329.44-437,397,917.27

Finding the Fourth Proportional to 742,973,386.73, 1,025,242,329.44 and 437,397,917.27

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Solution

The fourth proportional to 742,973,386.73, 1,025,242,329.44 and 437,397,917.27 is: 603,573,247.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    742,973,386.73 : 1,025,242,329.44 = 437,397,917.27 : x
  2. Step 2: Convert to fraction form
    742,973,386.73/1,025,242,329.44 = 437,397,917.27/x
  3. Step 3: Cross multiply
    742,973,386.73x = 1,025,242,329.44 × 437,397,917.27
  4. Step 4: Simplify right side
    742,973,386.73x = 448,438,859,586,785,984
  5. Step 5: Solve for x
    x = 448,438,859,586,785,984/742,973,386.73
  6. Step 6: Final answer
    x = 603,573,247.17

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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.