Home / 1,057,066,385.20-1,585,599,577.80-291,161,489.20

Finding the Fourth Proportional to 1,057,066,385.20, 1,585,599,577.80 and 291,161,489.20

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Solution

The fourth proportional to 1,057,066,385.20, 1,585,599,577.80 and 291,161,489.20 is: 436,742,233.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,057,066,385.20 : 1,585,599,577.80 = 291,161,489.20 : x
  2. Step 2: Convert to fraction form
    1,057,066,385.20/1,585,599,577.80 = 291,161,489.20/x
  3. Step 3: Cross multiply
    1,057,066,385.20x = 1,585,599,577.80 × 291,161,489.20
  4. Step 4: Simplify right side
    1,057,066,385.20x = 461,665,534,347,139,200
  5. Step 5: Solve for x
    x = 461,665,534,347,139,200/1,057,066,385.20
  6. Step 6: Final answer
    x = 436,742,233.80

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1.5x scale

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.