Home / 1,456,197,362.85-2,184,296,044.28-421,092,012.45

Finding the Fourth Proportional to 1,456,197,362.85, 2,184,296,044.28 and 421,092,012.45

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Solution

The fourth proportional to 1,456,197,362.85, 2,184,296,044.28 and 421,092,012.45 is: 631,638,018.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,456,197,362.85 : 2,184,296,044.28 = 421,092,012.45 : x
  2. Step 2: Convert to fraction form
    1,456,197,362.85/2,184,296,044.28 = 421,092,012.45/x
  3. Step 3: Cross multiply
    1,456,197,362.85x = 2,184,296,044.28 × 421,092,012.45
  4. Step 4: Simplify right side
    1,456,197,362.85x = 919,789,617,070,334,080
  5. Step 5: Solve for x
    x = 919,789,617,070,334,080/1,456,197,362.85
  6. Step 6: Final answer
    x = 631,638,018.68

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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.