Home / 1,533,042,018-2,299,581,455.58-427,579,587.54

Finding the Fourth Proportional to 1,533,042,018, 2,299,581,455.58 and 427,579,587.54

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Solution

The fourth proportional to 1,533,042,018, 2,299,581,455.58 and 427,579,587.54 is: 641,374,521.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,533,042,018 : 2,299,581,455.58 = 427,579,587.54 : x
  2. Step 2: Convert to fraction form
    1,533,042,018/2,299,581,455.58 = 427,579,587.54/x
  3. Step 3: Cross multiply
    1,533,042,018x = 2,299,581,455.58 × 427,579,587.54
  4. Step 4: Simplify right side
    1,533,042,018x = 983,254,090,291,529,216
  5. Step 5: Solve for x
    x = 983,254,090,291,529,216/1,533,042,018
  6. Step 6: Final answer
    x = 641,374,521.21

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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.