Home / 1,268,128,648.93-1,743,811,808.09-1,100,574,017.01

Finding the Fourth Proportional to 1,268,128,648.93, 1,743,811,808.09 and 1,100,574,017.01

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Solution

The fourth proportional to 1,268,128,648.93, 1,743,811,808.09 and 1,100,574,017.01 is: 1,513,406,363.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,268,128,648.93 : 1,743,811,808.09 = 1,100,574,017.01 : x
  2. Step 2: Convert to fraction form
    1,268,128,648.93/1,743,811,808.09 = 1,100,574,017.01/x
  3. Step 3: Cross multiply
    1,268,128,648.93x = 1,743,811,808.09 × 1,100,574,017.01
  4. Step 4: Simplify right side
    1,268,128,648.93x = 1,919,193,966,524,860,928
  5. Step 5: Solve for x
    x = 1,919,193,966,524,860,928/1,268,128,648.93
  6. Step 6: Final answer
    x = 1,513,406,363.10

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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.