Home / 1,917,249,968.70-2,875,874,953.05-987,440,795.10

Finding the Fourth Proportional to 1,917,249,968.70, 2,875,874,953.05 and 987,440,795.10

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Solution

The fourth proportional to 1,917,249,968.70, 2,875,874,953.05 and 987,440,795.10 is: 1,481,161,192.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,917,249,968.70 : 2,875,874,953.05 = 987,440,795.10 : x
  2. Step 2: Convert to fraction form
    1,917,249,968.70/2,875,874,953.05 = 987,440,795.10/x
  3. Step 3: Cross multiply
    1,917,249,968.70x = 2,875,874,953.05 × 987,440,795.10
  4. Step 4: Simplify right side
    1,917,249,968.70x = 2,839,756,250,247,867,392
  5. Step 5: Solve for x
    x = 2,839,756,250,247,867,392/1,917,249,968.70
  6. Step 6: Final answer
    x = 1,481,161,192.65

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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.