Home / 1,217,013,751,331.20-1,825,579,338,970.70-400,168,413,654.06

Finding the Fourth Proportional to 1,217,013,751,331.20, 1,825,579,338,970.70 and 400,168,413,654.06

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Solution

The fourth proportional to 1,217,013,751,331.20, 1,825,579,338,970.70 and 400,168,413,654.06 is: 600,271,925,667.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,217,013,751,331.20 : 1,825,579,338,970.70 = 400,168,413,654.06 : x
  2. Step 2: Convert to fraction form
    1,217,013,751,331.20/1,825,579,338,970.70 = 400,168,413,654.06/x
  3. Step 3: Cross multiply
    1,217,013,751,331.20x = 1,825,579,338,970.70 × 400,168,413,654.06
  4. Step 4: Simplify right side
    1,217,013,751,331.20x = 730,539,188,075,532,409,372,672
  5. Step 5: Solve for x
    x = 730,539,188,075,532,409,372,672/1,217,013,751,331.20
  6. Step 6: Final answer
    x = 600,271,925,667.60

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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.