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Finding the Fourth Proportional to 608,289,750.20, 912,434,625.30 and 608,289,750.20

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Solution

The fourth proportional to 608,289,750.20, 912,434,625.30 and 608,289,750.20 is: 912,434,625.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,289,750.20 : 912,434,625.30 = 608,289,750.20 : x
  2. Step 2: Convert to fraction form
    608,289,750.20/912,434,625.30 = 608,289,750.20/x
  3. Step 3: Cross multiply
    608,289,750.20x = 912,434,625.30 × 608,289,750.20
  4. Step 4: Simplify right side
    608,289,750.20x = 555,024,630,297,567,616
  5. Step 5: Solve for x
    x = 555,024,630,297,567,616/608,289,750.20
  6. Step 6: Final answer
    x = 912,434,625.30

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Half scale
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Double scale
Find fourth proportional to 608,289,751.20, 912,434,626.80 and 608,289,751.20
Similar ratio
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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.