Home / 1,982,820,236,161.80-2,975,588,940,868.20-692,031,490,030.86

Finding the Fourth Proportional to 1,982,820,236,161.80, 2,975,588,940,868.20 and 692,031,490,030.86

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Solution

The fourth proportional to 1,982,820,236,161.80, 2,975,588,940,868.20 and 692,031,490,030.86 is: 1,038,521,400,434.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,982,820,236,161.80 : 2,975,588,940,868.20 = 692,031,490,030.86 : x
  2. Step 2: Convert to fraction form
    1,982,820,236,161.80/2,975,588,940,868.20 = 692,031,490,030.86/x
  3. Step 3: Cross multiply
    1,982,820,236,161.80x = 2,975,588,940,868.20 × 692,031,490,030.86
  4. Step 4: Simplify right side
    1,982,820,236,161.80x = 2,059,201,248,468,369,158,438,912
  5. Step 5: Solve for x
    x = 2,059,201,248,468,369,158,438,912/1,982,820,236,161.80
  6. Step 6: Final answer
    x = 1,038,521,400,434.37

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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.