Home / 539,578,100.49-808,141,328.19-422,262,333.69

Finding the Fourth Proportional to 539,578,100.49, 808,141,328.19 and 422,262,333.69

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Solution

The fourth proportional to 539,578,100.49, 808,141,328.19 and 422,262,333.69 is: 632,434,197.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,578,100.49 : 808,141,328.19 = 422,262,333.69 : x
  2. Step 2: Convert to fraction form
    539,578,100.49/808,141,328.19 = 422,262,333.69/x
  3. Step 3: Cross multiply
    539,578,100.49x = 808,141,328.19 × 422,262,333.69
  4. Step 4: Simplify right side
    539,578,100.49x = 341,247,643,192,845,632
  5. Step 5: Solve for x
    x = 341,247,643,192,845,632/539,578,100.49
  6. Step 6: Final answer
    x = 632,434,197.91

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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.