Home / 734,864,530.71-1,014,111,276.89-400,339,802.09

Finding the Fourth Proportional to 734,864,530.71, 1,014,111,276.89 and 400,339,802.09

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Solution

The fourth proportional to 734,864,530.71, 1,014,111,276.89 and 400,339,802.09 is: 552,467,959.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    734,864,530.71 : 1,014,111,276.89 = 400,339,802.09 : x
  2. Step 2: Convert to fraction form
    734,864,530.71/1,014,111,276.89 = 400,339,802.09/x
  3. Step 3: Cross multiply
    734,864,530.71x = 1,014,111,276.89 × 400,339,802.09
  4. Step 4: Simplify right side
    734,864,530.71x = 405,989,107,880,307,520
  5. Step 5: Solve for x
    x = 405,989,107,880,307,520/734,864,530.71
  6. Step 6: Final answer
    x = 552,467,959.63

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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.