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Finding the Fourth Proportional to 5,391,883,643.60, 7,570,404,924.40 and 5,391,883,643.60

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Solution

The fourth proportional to 5,391,883,643.60, 7,570,404,924.40 and 5,391,883,643.60 is: 7,570,404,924.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,391,883,643.60 : 7,570,404,924.40 = 5,391,883,643.60 : x
  2. Step 2: Convert to fraction form
    5,391,883,643.60/7,570,404,924.40 = 5,391,883,643.60/x
  3. Step 3: Cross multiply
    5,391,883,643.60x = 7,570,404,924.40 × 5,391,883,643.60
  4. Step 4: Simplify right side
    5,391,883,643.60x = 40,818,742,487,301,259,264
  5. Step 5: Solve for x
    x = 40,818,742,487,301,259,264/5,391,883,643.60
  6. Step 6: Final answer
    x = 7,570,404,924.40

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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.