Home / 8,252,938,127.20-12,379,407,190.80-5,314,281,973.60

Finding the Fourth Proportional to 8,252,938,127.20, 12,379,407,190.80 and 5,314,281,973.60

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Solution

The fourth proportional to 8,252,938,127.20, 12,379,407,190.80 and 5,314,281,973.60 is: 7,971,422,960.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,252,938,127.20 : 12,379,407,190.80 = 5,314,281,973.60 : x
  2. Step 2: Convert to fraction form
    8,252,938,127.20/12,379,407,190.80 = 5,314,281,973.60/x
  3. Step 3: Cross multiply
    8,252,938,127.20x = 12,379,407,190.80 × 5,314,281,973.60
  4. Step 4: Simplify right side
    8,252,938,127.20x = 65,787,660,477,922,656,256
  5. Step 5: Solve for x
    x = 65,787,660,477,922,656,256/8,252,938,127.20
  6. Step 6: Final answer
    x = 7,971,422,960.40

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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.