Home / 667,600,461.36-921,256,252.92-370,254,497.40

Finding the Fourth Proportional to 667,600,461.36, 921,256,252.92 and 370,254,497.40

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Solution

The fourth proportional to 667,600,461.36, 921,256,252.92 and 370,254,497.40 is: 510,933,246.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    667,600,461.36 : 921,256,252.92 = 370,254,497.40 : x
  2. Step 2: Convert to fraction form
    667,600,461.36/921,256,252.92 = 370,254,497.40/x
  3. Step 3: Cross multiply
    667,600,461.36x = 921,256,252.92 × 370,254,497.40
  4. Step 4: Simplify right side
    667,600,461.36x = 341,099,270,901,501,824
  5. Step 5: Solve for x
    x = 341,099,270,901,501,824/667,600,461.36
  6. Step 6: Final answer
    x = 510,933,246.22

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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.