Home / 304,999,674.16-421,072,392.40-233,337,730.88

Finding the Fourth Proportional to 304,999,674.16, 421,072,392.40 and 233,337,730.88

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Solution

The fourth proportional to 304,999,674.16, 421,072,392.40 and 233,337,730.88 is: 322,138,300.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,999,674.16 : 421,072,392.40 = 233,337,730.88 : x
  2. Step 2: Convert to fraction form
    304,999,674.16/421,072,392.40 = 233,337,730.88/x
  3. Step 3: Cross multiply
    304,999,674.16x = 421,072,392.40 × 233,337,730.88
  4. Step 4: Simplify right side
    304,999,674.16x = 98,252,076,578,828,944
  5. Step 5: Solve for x
    x = 98,252,076,578,828,944/304,999,674.16
  6. Step 6: Final answer
    x = 322,138,300.15

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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.