Home / 630,212,037.70-946,291,266.15-343,557,573.70

Finding the Fourth Proportional to 630,212,037.70, 946,291,266.15 and 343,557,573.70

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Solution

The fourth proportional to 630,212,037.70, 946,291,266.15 and 343,557,573.70 is: 515,866,901.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    630,212,037.70 : 946,291,266.15 = 343,557,573.70 : x
  2. Step 2: Convert to fraction form
    630,212,037.70/946,291,266.15 = 343,557,573.70/x
  3. Step 3: Cross multiply
    630,212,037.70x = 946,291,266.15 × 343,557,573.70
  4. Step 4: Simplify right side
    630,212,037.70x = 325,105,531,411,994,944
  5. Step 5: Solve for x
    x = 325,105,531,411,994,944/630,212,037.70
  6. Step 6: Final answer
    x = 515,866,901.87

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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.