Home / 1,953,804,411.20-2,930,706,616.80-1,940,199,521.60

Finding the Fourth Proportional to 1,953,804,411.20, 2,930,706,616.80 and 1,940,199,521.60

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Solution

The fourth proportional to 1,953,804,411.20, 2,930,706,616.80 and 1,940,199,521.60 is: 2,910,299,282.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,953,804,411.20 : 2,930,706,616.80 = 1,940,199,521.60 : x
  2. Step 2: Convert to fraction form
    1,953,804,411.20/2,930,706,616.80 = 1,940,199,521.60/x
  3. Step 3: Cross multiply
    1,953,804,411.20x = 2,930,706,616.80 × 1,940,199,521.60
  4. Step 4: Simplify right side
    1,953,804,411.20x = 5,686,155,575,865,314,304
  5. Step 5: Solve for x
    x = 5,686,155,575,865,314,304/1,953,804,411.20
  6. Step 6: Final answer
    x = 2,910,299,282.40

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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.