Home / 742,563,875.52-1,113,846,019.56-276,164,360.64

Finding the Fourth Proportional to 742,563,875.52, 1,113,846,019.56 and 276,164,360.64

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Solution

The fourth proportional to 742,563,875.52, 1,113,846,019.56 and 276,164,360.64 is: 414,246,617.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    742,563,875.52 : 1,113,846,019.56 = 276,164,360.64 : x
  2. Step 2: Convert to fraction form
    742,563,875.52/1,113,846,019.56 = 276,164,360.64/x
  3. Step 3: Cross multiply
    742,563,875.52x = 1,113,846,019.56 × 276,164,360.64
  4. Step 4: Simplify right side
    742,563,875.52x = 307,604,573,843,196,288
  5. Step 5: Solve for x
    x = 307,604,573,843,196,288/742,563,875.52
  6. Step 6: Final answer
    x = 414,246,617.68

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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.