Home / 472,393,940.70-708,590,911.05-165,575,336.70

Finding the Fourth Proportional to 472,393,940.70, 708,590,911.05 and 165,575,336.70

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Solution

The fourth proportional to 472,393,940.70, 708,590,911.05 and 165,575,336.70 is: 248,363,005.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,393,940.70 : 708,590,911.05 = 165,575,336.70 : x
  2. Step 2: Convert to fraction form
    472,393,940.70/708,590,911.05 = 165,575,336.70/x
  3. Step 3: Cross multiply
    472,393,940.70x = 708,590,911.05 × 165,575,336.70
  4. Step 4: Simplify right side
    472,393,940.70x = 117,325,178,679,663,488
  5. Step 5: Solve for x
    x = 117,325,178,679,663,488/472,393,940.70
  6. Step 6: Final answer
    x = 248,363,005.05

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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.