Home / 1,189,606,147.83-1,783,299,797.13-402,111,881.40

Finding the Fourth Proportional to 1,189,606,147.83, 1,783,299,797.13 and 402,111,881.40

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Solution

The fourth proportional to 1,189,606,147.83, 1,783,299,797.13 and 402,111,881.40 is: 602,792,813.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,189,606,147.83 : 1,783,299,797.13 = 402,111,881.40 : x
  2. Step 2: Convert to fraction form
    1,189,606,147.83/1,783,299,797.13 = 402,111,881.40/x
  3. Step 3: Cross multiply
    1,189,606,147.83x = 1,783,299,797.13 × 402,111,881.40
  4. Step 4: Simplify right side
    1,189,606,147.83x = 717,086,036,524,182,656
  5. Step 5: Solve for x
    x = 717,086,036,524,182,656/1,189,606,147.83
  6. Step 6: Final answer
    x = 602,792,813.26

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.