Home / 472,804,279.80-708,249,825.90-327,402,022.20

Finding the Fourth Proportional to 472,804,279.80, 708,249,825.90 and 327,402,022.20

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Solution

The fourth proportional to 472,804,279.80, 708,249,825.90 and 327,402,022.20 is: 490,440,622.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,804,279.80 : 708,249,825.90 = 327,402,022.20 : x
  2. Step 2: Convert to fraction form
    472,804,279.80/708,249,825.90 = 327,402,022.20/x
  3. Step 3: Cross multiply
    472,804,279.80x = 708,249,825.90 × 327,402,022.20
  4. Step 4: Simplify right side
    472,804,279.80x = 231,882,425,222,457,920
  5. Step 5: Solve for x
    x = 231,882,425,222,457,920/472,804,279.80
  6. Step 6: Final answer
    x = 490,440,622.32

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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.