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Finding the Fourth Proportional to 1,674,649,262, 2,310,973,742.98 and 921,954,923.10

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Solution

The fourth proportional to 1,674,649,262, 2,310,973,742.98 and 921,954,923.10 is: 1,272,274,540.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,674,649,262 : 2,310,973,742.98 = 921,954,923.10 : x
  2. Step 2: Convert to fraction form
    1,674,649,262/2,310,973,742.98 = 921,954,923.10/x
  3. Step 3: Cross multiply
    1,674,649,262x = 2,310,973,742.98 × 921,954,923.10
  4. Step 4: Simplify right side
    1,674,649,262x = 2,130,613,619,495,245,056
  5. Step 5: Solve for x
    x = 2,130,613,619,495,245,056/1,674,649,262
  6. Step 6: Final answer
    x = 1,272,274,540.01

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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.