Home / 129,175,345,808.40-193,763,018,712.60-127,433,919,939.60

Finding the Fourth Proportional to 129,175,345,808.40, 193,763,018,712.60 and 127,433,919,939.60

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Solution

The fourth proportional to 129,175,345,808.40, 193,763,018,712.60 and 127,433,919,939.60 is: 191,150,879,909.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,175,345,808.40 : 193,763,018,712.60 = 127,433,919,939.60 : x
  2. Step 2: Convert to fraction form
    129,175,345,808.40/193,763,018,712.60 = 127,433,919,939.60/x
  3. Step 3: Cross multiply
    129,175,345,808.40x = 193,763,018,712.60 × 127,433,919,939.60
  4. Step 4: Simplify right side
    129,175,345,808.40x = 24,691,981,013,876,685,668,352
  5. Step 5: Solve for x
    x = 24,691,981,013,876,685,668,352/129,175,345,808.40
  6. Step 6: Final answer
    x = 191,150,879,909.40

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1.5x scale

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.