Home / 828,803,379.36-1,143,742,845.12-452,459,967.06

Finding the Fourth Proportional to 828,803,379.36, 1,143,742,845.12 and 452,459,967.06

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Solution

The fourth proportional to 828,803,379.36, 1,143,742,845.12 and 452,459,967.06 is: 624,391,578.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    828,803,379.36 : 1,143,742,845.12 = 452,459,967.06 : x
  2. Step 2: Convert to fraction form
    828,803,379.36/1,143,742,845.12 = 452,459,967.06/x
  3. Step 3: Cross multiply
    828,803,379.36x = 1,143,742,845.12 × 452,459,967.06
  4. Step 4: Simplify right side
    828,803,379.36x = 517,497,850,028,105,856
  5. Step 5: Solve for x
    x = 517,497,850,028,105,856/828,803,379.36
  6. Step 6: Final answer
    x = 624,391,578.17

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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.