Home / 1,008,343,721.86-1,391,520,401.14-562,335,241.52

Finding the Fourth Proportional to 1,008,343,721.86, 1,391,520,401.14 and 562,335,241.52

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Solution

The fourth proportional to 1,008,343,721.86, 1,391,520,401.14 and 562,335,241.52 is: 776,026,015.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,008,343,721.86 : 1,391,520,401.14 = 562,335,241.52 : x
  2. Step 2: Convert to fraction form
    1,008,343,721.86/1,391,520,401.14 = 562,335,241.52/x
  3. Step 3: Cross multiply
    1,008,343,721.86x = 1,391,520,401.14 × 562,335,241.52
  4. Step 4: Simplify right side
    1,008,343,721.86x = 782,500,960,855,069,184
  5. Step 5: Solve for x
    x = 782,500,960,855,069,184/1,008,343,721.86
  6. Step 6: Final answer
    x = 776,026,015.62

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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.