Home / 1,930,872,661.20-2,896,308,991.80-1,156,905,608.40

Finding the Fourth Proportional to 1,930,872,661.20, 2,896,308,991.80 and 1,156,905,608.40

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Solution

The fourth proportional to 1,930,872,661.20, 2,896,308,991.80 and 1,156,905,608.40 is: 1,735,358,412.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,930,872,661.20 : 2,896,308,991.80 = 1,156,905,608.40 : x
  2. Step 2: Convert to fraction form
    1,930,872,661.20/2,896,308,991.80 = 1,156,905,608.40/x
  3. Step 3: Cross multiply
    1,930,872,661.20x = 2,896,308,991.80 × 1,156,905,608.40
  4. Step 4: Simplify right side
    1,930,872,661.20x = 3,350,756,116,272,770,048
  5. Step 5: Solve for x
    x = 3,350,756,116,272,770,048/1,930,872,661.20
  6. Step 6: Final answer
    x = 1,735,358,412.60

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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.