Home / 612,825,838,119.70-919,242,193,358.45-204,411,090,616.92

Finding the Fourth Proportional to 612,825,838,119.70, 919,242,193,358.45 and 204,411,090,616.92

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Solution

The fourth proportional to 612,825,838,119.70, 919,242,193,358.45 and 204,411,090,616.92 is: 306,617,782,079.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    612,825,838,119.70 : 919,242,193,358.45 = 204,411,090,616.92 : x
  2. Step 2: Convert to fraction form
    612,825,838,119.70/919,242,193,358.45 = 204,411,090,616.92/x
  3. Step 3: Cross multiply
    612,825,838,119.70x = 919,242,193,358.45 × 204,411,090,616.92
  4. Step 4: Simplify right side
    612,825,838,119.70x = 187,903,299,285,490,428,018,688
  5. Step 5: Solve for x
    x = 187,903,299,285,490,428,018,688/612,825,838,119.70
  6. Step 6: Final answer
    x = 306,617,782,079.86

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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.