Home / 492,116,628.52-738,219,032.70-142,357,202.92

Finding the Fourth Proportional to 492,116,628.52, 738,219,032.70 and 142,357,202.92

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Solution

The fourth proportional to 492,116,628.52, 738,219,032.70 and 142,357,202.92 is: 213,548,558.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,116,628.52 : 738,219,032.70 = 142,357,202.92 : x
  2. Step 2: Convert to fraction form
    492,116,628.52/738,219,032.70 = 142,357,202.92/x
  3. Step 3: Cross multiply
    492,116,628.52x = 738,219,032.70 × 142,357,202.92
  4. Step 4: Simplify right side
    492,116,628.52x = 105,090,796,637,480,016
  5. Step 5: Solve for x
    x = 105,090,796,637,480,016/492,116,628.52
  6. Step 6: Final answer
    x = 213,548,558.51

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.