Home / 1,422,829,021.06-2,134,973,132.55-686,526,866.02

Finding the Fourth Proportional to 1,422,829,021.06, 2,134,973,132.55 and 686,526,866.02

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Solution

The fourth proportional to 1,422,829,021.06, 2,134,973,132.55 and 686,526,866.02 is: 1,030,142,337.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,422,829,021.06 : 2,134,973,132.55 = 686,526,866.02 : x
  2. Step 2: Convert to fraction form
    1,422,829,021.06/2,134,973,132.55 = 686,526,866.02/x
  3. Step 3: Cross multiply
    1,422,829,021.06x = 2,134,973,132.55 × 686,526,866.02
  4. Step 4: Simplify right side
    1,422,829,021.06x = 1,465,716,413,726,453,504
  5. Step 5: Solve for x
    x = 1,465,716,413,726,453,504/1,422,829,021.06
  6. Step 6: Final answer
    x = 1,030,142,337.58

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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.