Home / 708,589,969.80-1,062,884,954.70-191,001,865.20

Finding the Fourth Proportional to 708,589,969.80, 1,062,884,954.70 and 191,001,865.20

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Solution

The fourth proportional to 708,589,969.80, 1,062,884,954.70 and 191,001,865.20 is: 286,502,797.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    708,589,969.80 : 1,062,884,954.70 = 191,001,865.20 : x
  2. Step 2: Convert to fraction form
    708,589,969.80/1,062,884,954.70 = 191,001,865.20/x
  3. Step 3: Cross multiply
    708,589,969.80x = 1,062,884,954.70 × 191,001,865.20
  4. Step 4: Simplify right side
    708,589,969.80x = 203,013,008,840,717,504
  5. Step 5: Solve for x
    x = 203,013,008,840,717,504/708,589,969.80
  6. Step 6: Final answer
    x = 286,502,797.80

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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.