Home / 742,563,849.92-1,113,845,981.28-276,164,335.22

Finding the Fourth Proportional to 742,563,849.92, 1,113,845,981.28 and 276,164,335.22

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Solution

The fourth proportional to 742,563,849.92, 1,113,845,981.28 and 276,164,335.22 is: 414,246,579.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    742,563,849.92 : 1,113,845,981.28 = 276,164,335.22 : x
  2. Step 2: Convert to fraction form
    742,563,849.92/1,113,845,981.28 = 276,164,335.22/x
  3. Step 3: Cross multiply
    742,563,849.92x = 1,113,845,981.28 × 276,164,335.22
  4. Step 4: Simplify right side
    742,563,849.92x = 307,604,534,952,090,496
  5. Step 5: Solve for x
    x = 307,604,534,952,090,496/742,563,849.92
  6. Step 6: Final answer
    x = 414,246,579.59

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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.