Home / 472,392,496.80-708,588,745.20-464,739,746.40

Finding the Fourth Proportional to 472,392,496.80, 708,588,745.20 and 464,739,746.40

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Solution

The fourth proportional to 472,392,496.80, 708,588,745.20 and 464,739,746.40 is: 697,109,619.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,392,496.80 : 708,588,745.20 = 464,739,746.40 : x
  2. Step 2: Convert to fraction form
    472,392,496.80/708,588,745.20 = 464,739,746.40/x
  3. Step 3: Cross multiply
    472,392,496.80x = 708,588,745.20 × 464,739,746.40
  4. Step 4: Simplify right side
    472,392,496.80x = 329,309,353,746,142,208
  5. Step 5: Solve for x
    x = 329,309,353,746,142,208/472,392,496.80
  6. Step 6: Final answer
    x = 697,109,619.60

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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.