Home / 1,145,884,890,815.10-1,581,326,065,522.40-625,051,659,380.25

Finding the Fourth Proportional to 1,145,884,890,815.10, 1,581,326,065,522.40 and 625,051,659,380.25

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Solution

The fourth proportional to 1,145,884,890,815.10, 1,581,326,065,522.40 and 625,051,659,380.25 is: 862,573,971,608.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,145,884,890,815.10 : 1,581,326,065,522.40 = 625,051,659,380.25 : x
  2. Step 2: Convert to fraction form
    1,145,884,890,815.10/1,581,326,065,522.40 = 625,051,659,380.25/x
  3. Step 3: Cross multiply
    1,145,884,890,815.10x = 1,581,326,065,522.40 × 625,051,659,380.25
  4. Step 4: Simplify right side
    1,145,884,890,815.10x = 988,410,481,276,017,941,938,176
  5. Step 5: Solve for x
    x = 988,410,481,276,017,941,938,176/1,145,884,890,815.10
  6. Step 6: Final answer
    x = 862,573,971,608.03

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.