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Finding the Fourth Proportional to 1,064,879,676.40, 1,597,319,514.60 and 885,720,636.40

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Solution

The fourth proportional to 1,064,879,676.40, 1,597,319,514.60 and 885,720,636.40 is: 1,328,580,954.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,064,879,676.40 : 1,597,319,514.60 = 885,720,636.40 : x
  2. Step 2: Convert to fraction form
    1,064,879,676.40/1,597,319,514.60 = 885,720,636.40/x
  3. Step 3: Cross multiply
    1,064,879,676.40x = 1,597,319,514.60 × 885,720,636.40
  4. Step 4: Simplify right side
    1,064,879,676.40x = 1,414,778,857,005,650,944
  5. Step 5: Solve for x
    x = 1,414,778,857,005,650,944/1,064,879,676.40
  6. Step 6: Final answer
    x = 1,328,580,954.60

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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.