Home / 1,577,265,127.25-2,365,831,909.53-412,707,835.13

Finding the Fourth Proportional to 1,577,265,127.25, 2,365,831,909.53 and 412,707,835.13

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Solution

The fourth proportional to 1,577,265,127.25, 2,365,831,909.53 and 412,707,835.13 is: 619,044,540.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,577,265,127.25 : 2,365,831,909.53 = 412,707,835.13 : x
  2. Step 2: Convert to fraction form
    1,577,265,127.25/2,365,831,909.53 = 412,707,835.13/x
  3. Step 3: Cross multiply
    1,577,265,127.25x = 2,365,831,909.53 × 412,707,835.13
  4. Step 4: Simplify right side
    1,577,265,127.25x = 976,397,365,663,600,384
  5. Step 5: Solve for x
    x = 976,397,365,663,600,384/1,577,265,127.25
  6. Step 6: Final answer
    x = 619,044,540.32

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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.