Home / 344,884,060.80-475,868,956.10-198,178,001.28

Finding the Fourth Proportional to 344,884,060.80, 475,868,956.10 and 198,178,001.28

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Solution

The fourth proportional to 344,884,060.80, 475,868,956.10 and 198,178,001.28 is: 273,444,816.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,884,060.80 : 475,868,956.10 = 198,178,001.28 : x
  2. Step 2: Convert to fraction form
    344,884,060.80/475,868,956.10 = 198,178,001.28/x
  3. Step 3: Cross multiply
    344,884,060.80x = 475,868,956.10 × 198,178,001.28
  4. Step 4: Simplify right side
    344,884,060.80x = 94,306,758,590,107,184
  5. Step 5: Solve for x
    x = 94,306,758,590,107,184/344,884,060.80
  6. Step 6: Final answer
    x = 273,444,816.13

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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.