Home / 471,107,921.49-649,705,705.34-294,911,979.45

Finding the Fourth Proportional to 471,107,921.49, 649,705,705.34 and 294,911,979.45

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Solution

The fourth proportional to 471,107,921.49, 649,705,705.34 and 294,911,979.45 is: 406,713,593.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    471,107,921.49 : 649,705,705.34 = 294,911,979.45 : x
  2. Step 2: Convert to fraction form
    471,107,921.49/649,705,705.34 = 294,911,979.45/x
  3. Step 3: Cross multiply
    471,107,921.49x = 649,705,705.34 × 294,911,979.45
  4. Step 4: Simplify right side
    471,107,921.49x = 191,605,995,620,303,264
  5. Step 5: Solve for x
    x = 191,605,995,620,303,264/471,107,921.49
  6. Step 6: Final answer
    x = 406,713,593.38

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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.