Home / 3,107,362,983.67-4,288,162,637.93-1,678,434,083.69

Finding the Fourth Proportional to 3,107,362,983.67, 4,288,162,637.93 and 1,678,434,083.69

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Solution

The fourth proportional to 3,107,362,983.67, 4,288,162,637.93 and 1,678,434,083.69 is: 2,316,239,964.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,107,362,983.67 : 4,288,162,637.93 = 1,678,434,083.69 : x
  2. Step 2: Convert to fraction form
    3,107,362,983.67/4,288,162,637.93 = 1,678,434,083.69/x
  3. Step 3: Cross multiply
    3,107,362,983.67x = 4,288,162,637.93 × 1,678,434,083.69
  4. Step 4: Simplify right side
    3,107,362,983.67x = 7,197,398,327,911,051,264
  5. Step 5: Solve for x
    x = 7,197,398,327,911,051,264/3,107,362,983.67
  6. Step 6: Final answer
    x = 2,316,239,964.80

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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.