Home / 298,728,176.40-448,092,264.60-169,588,013.40

Finding the Fourth Proportional to 298,728,176.40, 448,092,264.60 and 169,588,013.40

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Solution

The fourth proportional to 298,728,176.40, 448,092,264.60 and 169,588,013.40 is: 254,382,020.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,728,176.40 : 448,092,264.60 = 169,588,013.40 : x
  2. Step 2: Convert to fraction form
    298,728,176.40/448,092,264.60 = 169,588,013.40/x
  3. Step 3: Cross multiply
    298,728,176.40x = 448,092,264.60 × 169,588,013.40
  4. Step 4: Simplify right side
    298,728,176.40x = 75,991,076,973,421,152
  5. Step 5: Solve for x
    x = 75,991,076,973,421,152/298,728,176.40
  6. Step 6: Final answer
    x = 254,382,020.10

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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.