Home / 889,529,395.59-1,227,548,447.10-487,642,430.52

Finding the Fourth Proportional to 889,529,395.59, 1,227,548,447.10 and 487,642,430.52

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Solution

The fourth proportional to 889,529,395.59, 1,227,548,447.10 and 487,642,430.52 is: 672,945,392.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,529,395.59 : 1,227,548,447.10 = 487,642,430.52 : x
  2. Step 2: Convert to fraction form
    889,529,395.59/1,227,548,447.10 = 487,642,430.52/x
  3. Step 3: Cross multiply
    889,529,395.59x = 1,227,548,447.10 × 487,642,430.52
  4. Step 4: Simplify right side
    889,529,395.59x = 598,604,708,324,895,616
  5. Step 5: Solve for x
    x = 598,604,708,324,895,616/889,529,395.59
  6. Step 6: Final answer
    x = 672,945,392.58

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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.