Home / 279,373,883,435.28-385,607,691,888.44-181,958,275,300.98

Finding the Fourth Proportional to 279,373,883,435.28, 385,607,691,888.44 and 181,958,275,300.98

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Solution

The fourth proportional to 279,373,883,435.28, 385,607,691,888.44 and 181,958,275,300.98 is: 251,149,139,984.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,373,883,435.28 : 385,607,691,888.44 = 181,958,275,300.98 : x
  2. Step 2: Convert to fraction form
    279,373,883,435.28/385,607,691,888.44 = 181,958,275,300.98/x
  3. Step 3: Cross multiply
    279,373,883,435.28x = 385,607,691,888.44 × 181,958,275,300.98
  4. Step 4: Simplify right side
    279,373,883,435.28x = 70,164,510,558,812,242,968,576
  5. Step 5: Solve for x
    x = 70,164,510,558,812,242,968,576/279,373,883,435.28
  6. Step 6: Final answer
    x = 251,149,139,984.18

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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.