Home / 3,778,153,070.47-5,213,205,515.82-2,191,881,401.62

Finding the Fourth Proportional to 3,778,153,070.47, 5,213,205,515.82 and 2,191,881,401.62

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Solution

The fourth proportional to 3,778,153,070.47, 5,213,205,515.82 and 2,191,881,401.62 is: 3,024,421,721.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,778,153,070.47 : 5,213,205,515.82 = 2,191,881,401.62 : x
  2. Step 2: Convert to fraction form
    3,778,153,070.47/5,213,205,515.82 = 2,191,881,401.62/x
  3. Step 3: Cross multiply
    3,778,153,070.47x = 5,213,205,515.82 × 2,191,881,401.62
  4. Step 4: Simplify right side
    3,778,153,070.47x = 11,426,728,212,944,171,008
  5. Step 5: Solve for x
    x = 11,426,728,212,944,171,008/3,778,153,070.47
  6. Step 6: Final answer
    x = 3,024,421,721.36

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1.5x scale

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.