Home / 493,449,063.40-740,173,595.10-415,964,965.60

Finding the Fourth Proportional to 493,449,063.40, 740,173,595.10 and 415,964,965.60

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Solution

The fourth proportional to 493,449,063.40, 740,173,595.10 and 415,964,965.60 is: 623,947,448.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,449,063.40 : 740,173,595.10 = 415,964,965.60 : x
  2. Step 2: Convert to fraction form
    493,449,063.40/740,173,595.10 = 415,964,965.60/x
  3. Step 3: Cross multiply
    493,449,063.40x = 740,173,595.10 × 415,964,965.60
  4. Step 4: Simplify right side
    493,449,063.40x = 307,886,284,023,799,872
  5. Step 5: Solve for x
    x = 307,886,284,023,799,872/493,449,063.40
  6. Step 6: Final answer
    x = 623,947,448.40

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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.