Home / 1,982,820,236,152.90-2,975,588,940,855-692,031,490,021.90

Finding the Fourth Proportional to 1,982,820,236,152.90, 2,975,588,940,855 and 692,031,490,021.90

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Solution

The fourth proportional to 1,982,820,236,152.90, 2,975,588,940,855 and 692,031,490,021.90 is: 1,038,521,400,420.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,982,820,236,152.90 : 2,975,588,940,855 = 692,031,490,021.90 : x
  2. Step 2: Convert to fraction form
    1,982,820,236,152.90/2,975,588,940,855 = 692,031,490,021.90/x
  3. Step 3: Cross multiply
    1,982,820,236,152.90x = 2,975,588,940,855 × 692,031,490,021.90
  4. Step 4: Simplify right side
    1,982,820,236,152.90x = 2,059,201,248,432,573,021,945,856
  5. Step 5: Solve for x
    x = 2,059,201,248,432,573,021,945,856/1,982,820,236,152.90
  6. Step 6: Final answer
    x = 1,038,521,400,420.98

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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.