Home / 790,449,865.61-1,090,463,119.29-477,083,908.49

Finding the Fourth Proportional to 790,449,865.61, 1,090,463,119.29 and 477,083,908.49

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Solution

The fourth proportional to 790,449,865.61, 1,090,463,119.29 and 477,083,908.49 is: 658,159,903.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,449,865.61 : 1,090,463,119.29 = 477,083,908.49 : x
  2. Step 2: Convert to fraction form
    790,449,865.61/1,090,463,119.29 = 477,083,908.49/x
  3. Step 3: Cross multiply
    790,449,865.61x = 1,090,463,119.29 × 477,083,908.49
  4. Step 4: Simplify right side
    790,449,865.61x = 520,242,407,009,617,984
  5. Step 5: Solve for x
    x = 520,242,407,009,617,984/790,449,865.61
  6. Step 6: Final answer
    x = 658,159,903.17

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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.