Home / 839,478,417.08-1,158,473,742.57-463,150,865.12

Finding the Fourth Proportional to 839,478,417.08, 1,158,473,742.57 and 463,150,865.12

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Solution

The fourth proportional to 839,478,417.08, 1,158,473,742.57 and 463,150,865.12 is: 639,144,622.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,478,417.08 : 1,158,473,742.57 = 463,150,865.12 : x
  2. Step 2: Convert to fraction form
    839,478,417.08/1,158,473,742.57 = 463,150,865.12/x
  3. Step 3: Cross multiply
    839,478,417.08x = 1,158,473,742.57 × 463,150,865.12
  4. Step 4: Simplify right side
    839,478,417.08x = 536,548,116,084,307,264
  5. Step 5: Solve for x
    x = 536,548,116,084,307,264/839,478,417.08
  6. Step 6: Final answer
    x = 639,144,622.63

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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.