Home / 1,703,400,401.40-2,555,339,750.55-538,747,449.90

Finding the Fourth Proportional to 1,703,400,401.40, 2,555,339,750.55 and 538,747,449.90

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Solution

The fourth proportional to 1,703,400,401.40, 2,555,339,750.55 and 538,747,449.90 is: 808,196,812.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,703,400,401.40 : 2,555,339,750.55 = 538,747,449.90 : x
  2. Step 2: Convert to fraction form
    1,703,400,401.40/2,555,339,750.55 = 538,747,449.90/x
  3. Step 3: Cross multiply
    1,703,400,401.40x = 2,555,339,750.55 × 538,747,449.90
  4. Step 4: Simplify right side
    1,703,400,401.40x = 1,376,682,774,236,914,688
  5. Step 5: Solve for x
    x = 1,376,682,774,236,914,688/1,703,400,401.40
  6. Step 6: Final answer
    x = 808,196,812.16

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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.