Home / 1,214,012,818.56-1,821,020,541.12-568,234,058.88

Finding the Fourth Proportional to 1,214,012,818.56, 1,821,020,541.12 and 568,234,058.88

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Solution

The fourth proportional to 1,214,012,818.56, 1,821,020,541.12 and 568,234,058.88 is: 852,351,703.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,214,012,818.56 : 1,821,020,541.12 = 568,234,058.88 : x
  2. Step 2: Convert to fraction form
    1,214,012,818.56/1,821,020,541.12 = 568,234,058.88/x
  3. Step 3: Cross multiply
    1,214,012,818.56x = 1,821,020,541.12 × 568,234,058.88
  4. Step 4: Simplify right side
    1,214,012,818.56x = 1,034,765,893,384,471,424
  5. Step 5: Solve for x
    x = 1,034,765,893,384,471,424/1,214,012,818.56
  6. Step 6: Final answer
    x = 852,351,703.02

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Half scale
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Double scale
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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.