Home / 463,574,026,748.80-695,361,040,123.20-445,942,089,827.20

Finding the Fourth Proportional to 463,574,026,748.80, 695,361,040,123.20 and 445,942,089,827.20

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Solution

The fourth proportional to 463,574,026,748.80, 695,361,040,123.20 and 445,942,089,827.20 is: 668,913,134,740.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    463,574,026,748.80 : 695,361,040,123.20 = 445,942,089,827.20 : x
  2. Step 2: Convert to fraction form
    463,574,026,748.80/695,361,040,123.20 = 445,942,089,827.20/x
  3. Step 3: Cross multiply
    463,574,026,748.80x = 695,361,040,123.20 × 445,942,089,827.20
  4. Step 4: Simplify right side
    463,574,026,748.80x = 310,090,755,416,955,285,405,696
  5. Step 5: Solve for x
    x = 310,090,755,416,955,285,405,696/463,574,026,748.80
  6. Step 6: Final answer
    x = 668,913,134,740.80

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Double scale
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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.