Home / 1,140,960,158.51-1,576,001,999.72-943,519,198.19

Finding the Fourth Proportional to 1,140,960,158.51, 1,576,001,999.72 and 943,519,198.19

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Solution

The fourth proportional to 1,140,960,158.51, 1,576,001,999.72 and 943,519,198.19 is: 1,303,277,885.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,140,960,158.51 : 1,576,001,999.72 = 943,519,198.19 : x
  2. Step 2: Convert to fraction form
    1,140,960,158.51/1,576,001,999.72 = 943,519,198.19/x
  3. Step 3: Cross multiply
    1,140,960,158.51x = 1,576,001,999.72 × 943,519,198.19
  4. Step 4: Simplify right side
    1,140,960,158.51x = 1,486,988,143,116,129,792
  5. Step 5: Solve for x
    x = 1,486,988,143,116,129,792/1,140,960,158.51
  6. Step 6: Final answer
    x = 1,303,277,885.76

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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.