Home / 13,213,585,965.60-19,820,378,948.40-9,287,725,010.40

Finding the Fourth Proportional to 13,213,585,965.60, 19,820,378,948.40 and 9,287,725,010.40

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Solution

The fourth proportional to 13,213,585,965.60, 19,820,378,948.40 and 9,287,725,010.40 is: 13,931,587,515.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,213,585,965.60 : 19,820,378,948.40 = 9,287,725,010.40 : x
  2. Step 2: Convert to fraction form
    13,213,585,965.60/19,820,378,948.40 = 9,287,725,010.40/x
  3. Step 3: Cross multiply
    13,213,585,965.60x = 19,820,378,948.40 × 9,287,725,010.40
  4. Step 4: Simplify right side
    13,213,585,965.60x = 184,086,229,274,660,339,712
  5. Step 5: Solve for x
    x = 184,086,229,274,660,339,712/13,213,585,965.60
  6. Step 6: Final answer
    x = 13,931,587,515.60

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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.