Home / 841,657,330.80-1,262,485,996.20-259,339,712.40

Finding the Fourth Proportional to 841,657,330.80, 1,262,485,996.20 and 259,339,712.40

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Solution

The fourth proportional to 841,657,330.80, 1,262,485,996.20 and 259,339,712.40 is: 389,009,568.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    841,657,330.80 : 1,262,485,996.20 = 259,339,712.40 : x
  2. Step 2: Convert to fraction form
    841,657,330.80/1,262,485,996.20 = 259,339,712.40/x
  3. Step 3: Cross multiply
    841,657,330.80x = 1,262,485,996.20 × 259,339,712.40
  4. Step 4: Simplify right side
    841,657,330.80x = 327,412,755,163,535,488
  5. Step 5: Solve for x
    x = 327,412,755,163,535,488/841,657,330.80
  6. Step 6: Final answer
    x = 389,009,568.60

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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.