Home / 1,973,466,664.72-2,960,382,655.34-645,502,243.84

Finding the Fourth Proportional to 1,973,466,664.72, 2,960,382,655.34 and 645,502,243.84

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Solution

The fourth proportional to 1,973,466,664.72, 2,960,382,655.34 and 645,502,243.84 is: 968,313,111.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,973,466,664.72 : 2,960,382,655.34 = 645,502,243.84 : x
  2. Step 2: Convert to fraction form
    1,973,466,664.72/2,960,382,655.34 = 645,502,243.84/x
  3. Step 3: Cross multiply
    1,973,466,664.72x = 2,960,382,655.34 × 645,502,243.84
  4. Step 4: Simplify right side
    1,973,466,664.72x = 1,910,933,646,646,987,520
  5. Step 5: Solve for x
    x = 1,910,933,646,646,987,520/1,973,466,664.72
  6. Step 6: Final answer
    x = 968,313,111.55

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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.