Home / 547,008,479.40-820,512,719.10-164,056,031.40

Finding the Fourth Proportional to 547,008,479.40, 820,512,719.10 and 164,056,031.40

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Solution

The fourth proportional to 547,008,479.40, 820,512,719.10 and 164,056,031.40 is: 246,084,047.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,008,479.40 : 820,512,719.10 = 164,056,031.40 : x
  2. Step 2: Convert to fraction form
    547,008,479.40/820,512,719.10 = 164,056,031.40/x
  3. Step 3: Cross multiply
    547,008,479.40x = 820,512,719.10 × 164,056,031.40
  4. Step 4: Simplify right side
    547,008,479.40x = 134,610,060,408,768,992
  5. Step 5: Solve for x
    x = 134,610,060,408,768,992/547,008,479.40
  6. Step 6: Final answer
    x = 246,084,047.10

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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.