Home / 696,809,785.60-961,589,873.28-383,537,301.76

Finding the Fourth Proportional to 696,809,785.60, 961,589,873.28 and 383,537,301.76

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Solution

The fourth proportional to 696,809,785.60, 961,589,873.28 and 383,537,301.76 is: 529,277,276.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    696,809,785.60 : 961,589,873.28 = 383,537,301.76 : x
  2. Step 2: Convert to fraction form
    696,809,785.60/961,589,873.28 = 383,537,301.76/x
  3. Step 3: Cross multiply
    696,809,785.60x = 961,589,873.28 × 383,537,301.76
  4. Step 4: Simplify right side
    696,809,785.60x = 368,805,585,397,551,488
  5. Step 5: Solve for x
    x = 368,805,585,397,551,488/696,809,785.60
  6. Step 6: Final answer
    x = 529,277,276.27

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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.