Home / 621,183,089,189.76-857,224,281,619.84-346,832,967,563.20

Finding the Fourth Proportional to 621,183,089,189.76, 857,224,281,619.84 and 346,832,967,563.20

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Solution

The fourth proportional to 621,183,089,189.76, 857,224,281,619.84 and 346,832,967,563.20 is: 478,624,815,510.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    621,183,089,189.76 : 857,224,281,619.84 = 346,832,967,563.20 : x
  2. Step 2: Convert to fraction form
    621,183,089,189.76/857,224,281,619.84 = 346,832,967,563.20/x
  3. Step 3: Cross multiply
    621,183,089,189.76x = 857,224,281,619.84 × 346,832,967,563.20
  4. Step 4: Simplify right side
    621,183,089,189.76x = 297,313,641,461,441,389,133,824
  5. Step 5: Solve for x
    x = 297,313,641,461,441,389,133,824/621,183,089,189.76
  6. Step 6: Final answer
    x = 478,624,815,510.10

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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.