Home / 2,485,845,019.52-3,431,757,387.12-1,816,038,040.76

Finding the Fourth Proportional to 2,485,845,019.52, 3,431,757,387.12 and 1,816,038,040.76

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Solution

The fourth proportional to 2,485,845,019.52, 3,431,757,387.12 and 1,816,038,040.76 is: 2,507,075,828.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,485,845,019.52 : 3,431,757,387.12 = 1,816,038,040.76 : x
  2. Step 2: Convert to fraction form
    2,485,845,019.52/3,431,757,387.12 = 1,816,038,040.76/x
  3. Step 3: Cross multiply
    2,485,845,019.52x = 3,431,757,387.12 × 1,816,038,040.76
  4. Step 4: Simplify right side
    2,485,845,019.52x = 6,232,201,961,669,061,632
  5. Step 5: Solve for x
    x = 6,232,201,961,669,061,632/2,485,845,019.52
  6. Step 6: Final answer
    x = 2,507,075,828.43

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Double scale
Find fourth proportional to 2,485,845,020.52, 3,431,757,388.50 and 1,816,038,041.76
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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.