Home / 497,935,293.06-686,511,809.64-408,296,942.76

Finding the Fourth Proportional to 497,935,293.06, 686,511,809.64 and 408,296,942.76

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Solution

The fourth proportional to 497,935,293.06, 686,511,809.64 and 408,296,942.76 is: 562,925,900.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,935,293.06 : 686,511,809.64 = 408,296,942.76 : x
  2. Step 2: Convert to fraction form
    497,935,293.06/686,511,809.64 = 408,296,942.76/x
  3. Step 3: Cross multiply
    497,935,293.06x = 686,511,809.64 × 408,296,942.76
  4. Step 4: Simplify right side
    497,935,293.06x = 280,300,673,044,647,072
  5. Step 5: Solve for x
    x = 280,300,673,044,647,072/497,935,293.06
  6. Step 6: Final answer
    x = 562,925,900.11

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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.