Home / 839,478,426.12-1,158,473,754.99-463,150,874.16

Finding the Fourth Proportional to 839,478,426.12, 1,158,473,754.99 and 463,150,874.16

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Solution

The fourth proportional to 839,478,426.12, 1,158,473,754.99 and 463,150,874.16 is: 639,144,635.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,478,426.12 : 1,158,473,754.99 = 463,150,874.16 : x
  2. Step 2: Convert to fraction form
    839,478,426.12/1,158,473,754.99 = 463,150,874.16/x
  3. Step 3: Cross multiply
    839,478,426.12x = 1,158,473,754.99 × 463,150,874.16
  4. Step 4: Simplify right side
    839,478,426.12x = 536,548,132,315,036,224
  5. Step 5: Solve for x
    x = 536,548,132,315,036,224/839,478,426.12
  6. Step 6: Final answer
    x = 639,144,635.07

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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.