Home / 438,903,288.68-658,501,283.64-291,930,264.92

Finding the Fourth Proportional to 438,903,288.68, 658,501,283.64 and 291,930,264.92

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Solution

The fourth proportional to 438,903,288.68, 658,501,283.64 and 291,930,264.92 is: 437,992,740.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,903,288.68 : 658,501,283.64 = 291,930,264.92 : x
  2. Step 2: Convert to fraction form
    438,903,288.68/658,501,283.64 = 291,930,264.92/x
  3. Step 3: Cross multiply
    438,903,288.68x = 658,501,283.64 × 291,930,264.92
  4. Step 4: Simplify right side
    438,903,288.68x = 192,236,454,183,185,280
  5. Step 5: Solve for x
    x = 192,236,454,183,185,280/438,903,288.68
  6. Step 6: Final answer
    x = 437,992,740.41

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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.