Home / 486,368,550-729,628,407.72-163,328,004.72

Finding the Fourth Proportional to 486,368,550, 729,628,407.72 and 163,328,004.72

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Solution

The fourth proportional to 486,368,550, 729,628,407.72 and 163,328,004.72 is: 245,017,388.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,368,550 : 729,628,407.72 = 163,328,004.72 : x
  2. Step 2: Convert to fraction form
    486,368,550/729,628,407.72 = 163,328,004.72/x
  3. Step 3: Cross multiply
    486,368,550x = 729,628,407.72 × 163,328,004.72
  4. Step 4: Simplify right side
    486,368,550x = 119,168,752,019,938,256
  5. Step 5: Solve for x
    x = 119,168,752,019,938,256/486,368,550
  6. Step 6: Final answer
    x = 245,017,388.60

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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.