Home / 554,578,814.54-765,342,678.81-307,060,190.66

Finding the Fourth Proportional to 554,578,814.54, 765,342,678.81 and 307,060,190.66

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Solution

The fourth proportional to 554,578,814.54, 765,342,678.81 and 307,060,190.66 is: 423,756,304.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,578,814.54 : 765,342,678.81 = 307,060,190.66 : x
  2. Step 2: Convert to fraction form
    554,578,814.54/765,342,678.81 = 307,060,190.66/x
  3. Step 3: Cross multiply
    554,578,814.54x = 765,342,678.81 × 307,060,190.66
  4. Step 4: Simplify right side
    554,578,814.54x = 235,006,268,875,633,760
  5. Step 5: Solve for x
    x = 235,006,268,875,633,760/554,578,814.54
  6. Step 6: Final answer
    x = 423,756,304.27

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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.