Home / 1,057,066,465.20-1,585,599,697.80-291,161,569.20

Finding the Fourth Proportional to 1,057,066,465.20, 1,585,599,697.80 and 291,161,569.20

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Solution

The fourth proportional to 1,057,066,465.20, 1,585,599,697.80 and 291,161,569.20 is: 436,742,353.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,057,066,465.20 : 1,585,599,697.80 = 291,161,569.20 : x
  2. Step 2: Convert to fraction form
    1,057,066,465.20/1,585,599,697.80 = 291,161,569.20/x
  3. Step 3: Cross multiply
    1,057,066,465.20x = 1,585,599,697.80 × 291,161,569.20
  4. Step 4: Simplify right side
    1,057,066,465.20x = 461,665,696,134,493,760
  5. Step 5: Solve for x
    x = 461,665,696,134,493,760/1,057,066,465.20
  6. Step 6: Final answer
    x = 436,742,353.80

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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.