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Finding the Fourth Proportional to 619,279,612.20, 928,919,418.30 and 595,471,055.40

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Solution

The fourth proportional to 619,279,612.20, 928,919,418.30 and 595,471,055.40 is: 893,206,583.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    619,279,612.20 : 928,919,418.30 = 595,471,055.40 : x
  2. Step 2: Convert to fraction form
    619,279,612.20/928,919,418.30 = 595,471,055.40/x
  3. Step 3: Cross multiply
    619,279,612.20x = 928,919,418.30 × 595,471,055.40
  4. Step 4: Simplify right side
    619,279,612.20x = 553,144,626,396,655,040
  5. Step 5: Solve for x
    x = 553,144,626,396,655,040/619,279,612.20
  6. Step 6: Final answer
    x = 893,206,583.10

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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.