Home / 1,130,759,810,978.40-1,560,446,414,183.20-616,925,953,520.05

Finding the Fourth Proportional to 1,130,759,810,978.40, 1,560,446,414,183.20 and 616,925,953,520.05

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Solution

The fourth proportional to 1,130,759,810,978.40, 1,560,446,414,183.20 and 616,925,953,520.05 is: 851,356,656,506.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,130,759,810,978.40 : 1,560,446,414,183.20 = 616,925,953,520.05 : x
  2. Step 2: Convert to fraction form
    1,130,759,810,978.40/1,560,446,414,183.20 = 616,925,953,520.05/x
  3. Step 3: Cross multiply
    1,130,759,810,978.40x = 1,560,446,414,183.20 × 616,925,953,520.05
  4. Step 4: Simplify right side
    1,130,759,810,978.40x = 962,679,891,986,913,584,742,400
  5. Step 5: Solve for x
    x = 962,679,891,986,913,584,742,400/1,130,759,810,978.40
  6. Step 6: Final answer
    x = 851,356,656,506.87

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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.