Home / 991,041,187.89-1,367,672,796.35-567,736,660.55

Finding the Fourth Proportional to 991,041,187.89, 1,367,672,796.35 and 567,736,660.55

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Solution

The fourth proportional to 991,041,187.89, 1,367,672,796.35 and 567,736,660.55 is: 783,497,190.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    991,041,187.89 : 1,367,672,796.35 = 567,736,660.55 : x
  2. Step 2: Convert to fraction form
    991,041,187.89/1,367,672,796.35 = 567,736,660.55/x
  3. Step 3: Cross multiply
    991,041,187.89x = 1,367,672,796.35 × 567,736,660.55
  4. Step 4: Simplify right side
    991,041,187.89x = 776,477,986,124,829,056
  5. Step 5: Solve for x
    x = 776,477,986,124,829,056/991,041,187.89
  6. Step 6: Final answer
    x = 783,497,190.24

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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.