Home / 547,061,720.40-820,592,580.60-164,109,272.40

Finding the Fourth Proportional to 547,061,720.40, 820,592,580.60 and 164,109,272.40

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Solution

The fourth proportional to 547,061,720.40, 820,592,580.60 and 164,109,272.40 is: 246,163,908.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,061,720.40 : 820,592,580.60 = 164,109,272.40 : x
  2. Step 2: Convert to fraction form
    547,061,720.40/820,592,580.60 = 164,109,272.40/x
  3. Step 3: Cross multiply
    547,061,720.40x = 820,592,580.60 × 164,109,272.40
  4. Step 4: Simplify right side
    547,061,720.40x = 134,666,851,339,104,368
  5. Step 5: Solve for x
    x = 134,666,851,339,104,368/547,061,720.40
  6. Step 6: Final answer
    x = 246,163,908.60

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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.