Home / 825,243,282,018.10-1,238,430,362,306-288,021,242,272.45

Finding the Fourth Proportional to 825,243,282,018.10, 1,238,430,362,306 and 288,021,242,272.45

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Solution

The fourth proportional to 825,243,282,018.10, 1,238,430,362,306 and 288,021,242,272.45 is: 432,229,209,484.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    825,243,282,018.10 : 1,238,430,362,306 = 288,021,242,272.45 : x
  2. Step 2: Convert to fraction form
    825,243,282,018.10/1,238,430,362,306 = 288,021,242,272.45/x
  3. Step 3: Cross multiply
    825,243,282,018.10x = 1,238,430,362,306 × 288,021,242,272.45
  4. Step 4: Simplify right side
    825,243,282,018.10x = 356,694,251,419,294,467,358,720
  5. Step 5: Solve for x
    x = 356,694,251,419,294,467,358,720/825,243,282,018.10
  6. Step 6: Final answer
    x = 432,229,209,484.76

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.