Home / 705,532,554.76-973,689,452.82-423,285,617.20

Finding the Fourth Proportional to 705,532,554.76, 973,689,452.82 and 423,285,617.20

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Solution

The fourth proportional to 705,532,554.76, 973,689,452.82 and 423,285,617.20 is: 584,166,865.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,532,554.76 : 973,689,452.82 = 423,285,617.20 : x
  2. Step 2: Convert to fraction form
    705,532,554.76/973,689,452.82 = 423,285,617.20/x
  3. Step 3: Cross multiply
    705,532,554.76x = 973,689,452.82 × 423,285,617.20
  4. Step 4: Simplify right side
    705,532,554.76x = 412,148,740,998,043,968
  5. Step 5: Solve for x
    x = 412,148,740,998,043,968/705,532,554.76
  6. Step 6: Final answer
    x = 584,166,865.47

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Double scale
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1.5x scale

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.