Home / 450,948,804.88-622,088,210.16-391,326,418.48

Finding the Fourth Proportional to 450,948,804.88, 622,088,210.16 and 391,326,418.48

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Solution

The fourth proportional to 450,948,804.88, 622,088,210.16 and 391,326,418.48 is: 539,838,555.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,948,804.88 : 622,088,210.16 = 391,326,418.48 : x
  2. Step 2: Convert to fraction form
    450,948,804.88/622,088,210.16 = 391,326,418.48/x
  3. Step 3: Cross multiply
    450,948,804.88x = 622,088,210.16 × 391,326,418.48
  4. Step 4: Simplify right side
    450,948,804.88x = 243,439,551,260,546,336
  5. Step 5: Solve for x
    x = 243,439,551,260,546,336/450,948,804.88
  6. Step 6: Final answer
    x = 539,838,555.12

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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.