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Finding the Fourth Proportional to 1,327,618,557.40, 1,855,038,009.80 and 1,327,618,557.40

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Solution

The fourth proportional to 1,327,618,557.40, 1,855,038,009.80 and 1,327,618,557.40 is: 1,855,038,009.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,327,618,557.40 : 1,855,038,009.80 = 1,327,618,557.40 : x
  2. Step 2: Convert to fraction form
    1,327,618,557.40/1,855,038,009.80 = 1,327,618,557.40/x
  3. Step 3: Cross multiply
    1,327,618,557.40x = 1,855,038,009.80 × 1,327,618,557.40
  4. Step 4: Simplify right side
    1,327,618,557.40x = 2,462,782,886,492,843,008
  5. Step 5: Solve for x
    x = 2,462,782,886,492,843,008/1,327,618,557.40
  6. Step 6: Final answer
    x = 1,855,038,009.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.