Home / 1,362,812,645.86-2,044,218,735.51-430,789,760.98

Finding the Fourth Proportional to 1,362,812,645.86, 2,044,218,735.51 and 430,789,760.98

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Solution

The fourth proportional to 1,362,812,645.86, 2,044,218,735.51 and 430,789,760.98 is: 646,184,567.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,362,812,645.86 : 2,044,218,735.51 = 430,789,760.98 : x
  2. Step 2: Convert to fraction form
    1,362,812,645.86/2,044,218,735.51 = 430,789,760.98/x
  3. Step 3: Cross multiply
    1,362,812,645.86x = 2,044,218,735.51 × 430,789,760.98
  4. Step 4: Simplify right side
    1,362,812,645.86x = 880,628,500,461,190,784
  5. Step 5: Solve for x
    x = 880,628,500,461,190,784/1,362,812,645.86
  6. Step 6: Final answer
    x = 646,184,567.73

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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.