Home / 487,843,988,554.36-673,240,849,541.79-268,120,468,881.54

Finding the Fourth Proportional to 487,843,988,554.36, 673,240,849,541.79 and 268,120,468,881.54

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Solution

The fourth proportional to 487,843,988,554.36, 673,240,849,541.79 and 268,120,468,881.54 is: 370,015,120,580.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    487,843,988,554.36 : 673,240,849,541.79 = 268,120,468,881.54 : x
  2. Step 2: Convert to fraction form
    487,843,988,554.36/673,240,849,541.79 = 268,120,468,881.54/x
  3. Step 3: Cross multiply
    487,843,988,554.36x = 673,240,849,541.79 × 268,120,468,881.54
  4. Step 4: Simplify right side
    487,843,988,554.36x = 180,509,652,249,351,072,776,192
  5. Step 5: Solve for x
    x = 180,509,652,249,351,072,776,192/487,843,988,554.36
  6. Step 6: Final answer
    x = 370,015,120,580.37

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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.