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Finding the Fourth Proportional to 402,409,342.70, 603,614,014.06 and 402,409,342.70

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Solution

The fourth proportional to 402,409,342.70, 603,614,014.06 and 402,409,342.70 is: 603,614,014.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,409,342.70 : 603,614,014.06 = 402,409,342.70 : x
  2. Step 2: Convert to fraction form
    402,409,342.70/603,614,014.06 = 402,409,342.70/x
  3. Step 3: Cross multiply
    402,409,342.70x = 603,614,014.06 × 402,409,342.70
  4. Step 4: Simplify right side
    402,409,342.70x = 242,899,918,642,393,120
  5. Step 5: Solve for x
    x = 242,899,918,642,393,120/402,409,342.70
  6. Step 6: Final answer
    x = 603,614,014.06

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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.