Home / 2,845,559,811-3,926,872,539.18-1,543,228,419

Finding the Fourth Proportional to 2,845,559,811, 3,926,872,539.18 and 1,543,228,419

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Solution

The fourth proportional to 2,845,559,811, 3,926,872,539.18 and 1,543,228,419 is: 2,129,655,218.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,845,559,811 : 3,926,872,539.18 = 1,543,228,419 : x
  2. Step 2: Convert to fraction form
    2,845,559,811/3,926,872,539.18 = 1,543,228,419/x
  3. Step 3: Cross multiply
    2,845,559,811x = 3,926,872,539.18 × 1,543,228,419
  4. Step 4: Simplify right side
    2,845,559,811x = 6,060,061,300,253,266,944
  5. Step 5: Solve for x
    x = 6,060,061,300,253,266,944/2,845,559,811
  6. Step 6: Final answer
    x = 2,129,655,218.22

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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.