Home / 805,130,881.60-1,207,696,322.40-455,017,550.80

Finding the Fourth Proportional to 805,130,881.60, 1,207,696,322.40 and 455,017,550.80

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Solution

The fourth proportional to 805,130,881.60, 1,207,696,322.40 and 455,017,550.80 is: 682,526,326.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    805,130,881.60 : 1,207,696,322.40 = 455,017,550.80 : x
  2. Step 2: Convert to fraction form
    805,130,881.60/1,207,696,322.40 = 455,017,550.80/x
  3. Step 3: Cross multiply
    805,130,881.60x = 1,207,696,322.40 × 455,017,550.80
  4. Step 4: Simplify right side
    805,130,881.60x = 549,523,022,728,615,232
  5. Step 5: Solve for x
    x = 549,523,022,728,615,232/805,130,881.60
  6. Step 6: Final answer
    x = 682,526,326.20

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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.