Home / 7,121,510,055.50-9,827,591,149.48-4,069,651,611.02

Finding the Fourth Proportional to 7,121,510,055.50, 9,827,591,149.48 and 4,069,651,611.02

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Solution

The fourth proportional to 7,121,510,055.50, 9,827,591,149.48 and 4,069,651,611.02 is: 5,616,066,233.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,121,510,055.50 : 9,827,591,149.48 = 4,069,651,611.02 : x
  2. Step 2: Convert to fraction form
    7,121,510,055.50/9,827,591,149.48 = 4,069,651,611.02/x
  3. Step 3: Cross multiply
    7,121,510,055.50x = 9,827,591,149.48 × 4,069,651,611.02
  4. Step 4: Simplify right side
    7,121,510,055.50x = 39,994,872,153,927,172,096
  5. Step 5: Solve for x
    x = 39,994,872,153,927,172,096/7,121,510,055.50
  6. Step 6: Final answer
    x = 5,616,066,233.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.