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Finding the Fourth Proportional to 2,626,009,969.95, 3,939,014,954.93 and 2,626,009,969.95

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Solution

The fourth proportional to 2,626,009,969.95, 3,939,014,954.93 and 2,626,009,969.95 is: 3,939,014,954.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,626,009,969.95 : 3,939,014,954.93 = 2,626,009,969.95 : x
  2. Step 2: Convert to fraction form
    2,626,009,969.95/3,939,014,954.93 = 2,626,009,969.95/x
  3. Step 3: Cross multiply
    2,626,009,969.95x = 3,939,014,954.93 × 2,626,009,969.95
  4. Step 4: Simplify right side
    2,626,009,969.95x = 10,343,892,543,428,329,472
  5. Step 5: Solve for x
    x = 10,343,892,543,428,329,472/2,626,009,969.95
  6. Step 6: Final answer
    x = 3,939,014,954.93

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Half scale
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Double scale
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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.