Home / 1,145,884,890,967.40-1,581,326,065,732.20-625,051,659,532.60

Finding the Fourth Proportional to 1,145,884,890,967.40, 1,581,326,065,732.20 and 625,051,659,532.60

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Solution

The fourth proportional to 1,145,884,890,967.40, 1,581,326,065,732.20 and 625,051,659,532.60 is: 862,573,971,818.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,145,884,890,967.40 : 1,581,326,065,732.20 = 625,051,659,532.60 : x
  2. Step 2: Convert to fraction form
    1,145,884,890,967.40/1,581,326,065,732.20 = 625,051,659,532.60/x
  3. Step 3: Cross multiply
    1,145,884,890,967.40x = 1,581,326,065,732.20 × 625,051,659,532.60
  4. Step 4: Simplify right side
    1,145,884,890,967.40x = 988,410,481,648,068,812,865,536
  5. Step 5: Solve for x
    x = 988,410,481,648,068,812,865,536/1,145,884,890,967.40
  6. Step 6: Final answer
    x = 862,573,971,818.07

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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.