Home / 7,365,600,723.15-10,164,533,075.52-3,978,509,995.44

Finding the Fourth Proportional to 7,365,600,723.15, 10,164,533,075.52 and 3,978,509,995.44

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Solution

The fourth proportional to 7,365,600,723.15, 10,164,533,075.52 and 3,978,509,995.44 is: 5,490,345,996.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,365,600,723.15 : 10,164,533,075.52 = 3,978,509,995.44 : x
  2. Step 2: Convert to fraction form
    7,365,600,723.15/10,164,533,075.52 = 3,978,509,995.44/x
  3. Step 3: Cross multiply
    7,365,600,723.15x = 10,164,533,075.52 × 3,978,509,995.44
  4. Step 4: Simplify right side
    7,365,600,723.15x = 40,439,696,439,936,802,816
  5. Step 5: Solve for x
    x = 40,439,696,439,936,802,816/7,365,600,723.15
  6. Step 6: Final answer
    x = 5,490,345,996.20

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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.