Home / 841,359,531.39-1,261,979,509.95-259,033,055.64

Finding the Fourth Proportional to 841,359,531.39, 1,261,979,509.95 and 259,033,055.64

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Solution

The fourth proportional to 841,359,531.39, 1,261,979,509.95 and 259,033,055.64 is: 388,531,176.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    841,359,531.39 : 1,261,979,509.95 = 259,033,055.64 : x
  2. Step 2: Convert to fraction form
    841,359,531.39/1,261,979,509.95 = 259,033,055.64/x
  3. Step 3: Cross multiply
    841,359,531.39x = 1,261,979,509.95 × 259,033,055.64
  4. Step 4: Simplify right side
    841,359,531.39x = 326,894,408,617,418,304
  5. Step 5: Solve for x
    x = 326,894,408,617,418,304/841,359,531.39
  6. Step 6: Final answer
    x = 388,531,176.53

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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.