Home / 1,138,021,475.84-1,707,275,880.18-340,401,261.68

Finding the Fourth Proportional to 1,138,021,475.84, 1,707,275,880.18 and 340,401,261.68

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Solution

The fourth proportional to 1,138,021,475.84, 1,707,275,880.18 and 340,401,261.68 is: 510,674,777.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,138,021,475.84 : 1,707,275,880.18 = 340,401,261.68 : x
  2. Step 2: Convert to fraction form
    1,138,021,475.84/1,707,275,880.18 = 340,401,261.68/x
  3. Step 3: Cross multiply
    1,138,021,475.84x = 1,707,275,880.18 × 340,401,261.68
  4. Step 4: Simplify right side
    1,138,021,475.84x = 581,158,863,649,104,512
  5. Step 5: Solve for x
    x = 581,158,863,649,104,512/1,138,021,475.84
  6. Step 6: Final answer
    x = 510,674,777.22

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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.