Home / 296,779,976.80-409,548,465.78-171,327,939.04

Finding the Fourth Proportional to 296,779,976.80, 409,548,465.78 and 171,327,939.04

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Solution

The fourth proportional to 296,779,976.80, 409,548,465.78 and 171,327,939.04 is: 236,427,994.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,779,976.80 : 409,548,465.78 = 171,327,939.04 : x
  2. Step 2: Convert to fraction form
    296,779,976.80/409,548,465.78 = 171,327,939.04/x
  3. Step 3: Cross multiply
    296,779,976.80x = 409,548,465.78 × 171,327,939.04
  4. Step 4: Simplify right side
    296,779,976.80x = 70,167,094,579,081,360
  5. Step 5: Solve for x
    x = 70,167,094,579,081,360/296,779,976.80
  6. Step 6: Final answer
    x = 236,427,994.02

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.