Home / 521,540,234.07-719,731,251.51-286,590,955.32

Finding the Fourth Proportional to 521,540,234.07, 719,731,251.51 and 286,590,955.32

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Solution

The fourth proportional to 521,540,234.07, 719,731,251.51 and 286,590,955.32 is: 395,498,666.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    521,540,234.07 : 719,731,251.51 = 286,590,955.32 : x
  2. Step 2: Convert to fraction form
    521,540,234.07/719,731,251.51 = 286,590,955.32/x
  3. Step 3: Cross multiply
    521,540,234.07x = 719,731,251.51 × 286,590,955.32
  4. Step 4: Simplify right side
    521,540,234.07x = 206,268,466,943,910,080
  5. Step 5: Solve for x
    x = 206,268,466,943,910,080/521,540,234.07
  6. Step 6: Final answer
    x = 395,498,666.20

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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.