Home / 812,051,633.36-1,120,602,256.85-459,620,055.23

Finding the Fourth Proportional to 812,051,633.36, 1,120,602,256.85 and 459,620,055.23

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Solution

The fourth proportional to 812,051,633.36, 1,120,602,256.85 and 459,620,055.23 is: 634,259,263.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    812,051,633.36 : 1,120,602,256.85 = 459,620,055.23 : x
  2. Step 2: Convert to fraction form
    812,051,633.36/1,120,602,256.85 = 459,620,055.23/x
  3. Step 3: Cross multiply
    812,051,633.36x = 1,120,602,256.85 × 459,620,055.23
  4. Step 4: Simplify right side
    812,051,633.36x = 515,051,271,179,805,696
  5. Step 5: Solve for x
    x = 515,051,271,179,805,696/812,051,633.36
  6. Step 6: Final answer
    x = 634,259,263.84

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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.