Home / 14,640,963,726.53-20,203,118,145.10-8,211,044,742.68

Finding the Fourth Proportional to 14,640,963,726.53, 20,203,118,145.10 and 8,211,044,742.68

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Solution

The fourth proportional to 14,640,963,726.53, 20,203,118,145.10 and 8,211,044,742.68 is: 11,330,449,971.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,640,963,726.53 : 20,203,118,145.10 = 8,211,044,742.68 : x
  2. Step 2: Convert to fraction form
    14,640,963,726.53/20,203,118,145.10 = 8,211,044,742.68/x
  3. Step 3: Cross multiply
    14,640,963,726.53x = 20,203,118,145.10 × 8,211,044,742.68
  4. Step 4: Simplify right side
    14,640,963,726.53x = 165,888,707,031,116,775,424
  5. Step 5: Solve for x
    x = 165,888,707,031,116,775,424/14,640,963,726.53
  6. Step 6: Final answer
    x = 11,330,449,971.03

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1.5x scale

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.