Home / 1,299,877,741.20-1,793,831,282.88-742,972,745.82

Finding the Fourth Proportional to 1,299,877,741.20, 1,793,831,282.88 and 742,972,745.82

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Solution

The fourth proportional to 1,299,877,741.20, 1,793,831,282.88 and 742,972,745.82 is: 1,025,302,389.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,299,877,741.20 : 1,793,831,282.88 = 742,972,745.82 : x
  2. Step 2: Convert to fraction form
    1,299,877,741.20/1,793,831,282.88 = 742,972,745.82/x
  3. Step 3: Cross multiply
    1,299,877,741.20x = 1,793,831,282.88 × 742,972,745.82
  4. Step 4: Simplify right side
    1,299,877,741.20x = 1,332,767,753,779,166,976
  5. Step 5: Solve for x
    x = 1,332,767,753,779,166,976/1,299,877,741.20
  6. Step 6: Final answer
    x = 1,025,302,389.25

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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.