Home / 440,534,138.55-607,954,457.12-242,314,077.30

Finding the Fourth Proportional to 440,534,138.55, 607,954,457.12 and 242,314,077.30

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Solution

The fourth proportional to 440,534,138.55, 607,954,457.12 and 242,314,077.30 is: 334,402,967.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,534,138.55 : 607,954,457.12 = 242,314,077.30 : x
  2. Step 2: Convert to fraction form
    440,534,138.55/607,954,457.12 = 242,314,077.30/x
  3. Step 3: Cross multiply
    440,534,138.55x = 607,954,457.12 × 242,314,077.30
  4. Step 4: Simplify right side
    440,534,138.55x = 147,315,923,317,455,232
  5. Step 5: Solve for x
    x = 147,315,923,317,455,232/440,534,138.55
  6. Step 6: Final answer
    x = 334,402,967.73

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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.