Home / 968,975,568.74-1,337,009,899.59-545,523,379.94

Finding the Fourth Proportional to 968,975,568.74, 1,337,009,899.59 and 545,523,379.94

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Solution

The fourth proportional to 968,975,568.74, 1,337,009,899.59 and 545,523,379.94 is: 752,722,961.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    968,975,568.74 : 1,337,009,899.59 = 545,523,379.94 : x
  2. Step 2: Convert to fraction form
    968,975,568.74/1,337,009,899.59 = 545,523,379.94/x
  3. Step 3: Cross multiply
    968,975,568.74x = 1,337,009,899.59 × 545,523,379.94
  4. Step 4: Simplify right side
    968,975,568.74x = 729,370,159,430,891,648
  5. Step 5: Solve for x
    x = 729,370,159,430,891,648/968,975,568.74
  6. Step 6: Final answer
    x = 752,722,961.20

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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.