Home / 921,481,603,988.96-1,380,712,999,283.40-490,761,386,738.68

Finding the Fourth Proportional to 921,481,603,988.96, 1,380,712,999,283.40 and 490,761,386,738.68

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Solution

The fourth proportional to 921,481,603,988.96, 1,380,712,999,283.40 and 490,761,386,738.68 is: 735,338,202,394.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    921,481,603,988.96 : 1,380,712,999,283.40 = 490,761,386,738.68 : x
  2. Step 2: Convert to fraction form
    921,481,603,988.96/1,380,712,999,283.40 = 490,761,386,738.68/x
  3. Step 3: Cross multiply
    921,481,603,988.96x = 1,380,712,999,283.40 × 490,761,386,738.68
  4. Step 4: Simplify right side
    921,481,603,988.96x = 677,600,626,216,443,452,588,032
  5. Step 5: Solve for x
    x = 677,600,626,216,443,452,588,032/921,481,603,988.96
  6. Step 6: Final answer
    x = 735,338,202,394.07

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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.