Home / 1,170,091,450,307.20-1,613,093,940,724.80-784,784,650,967.68

Finding the Fourth Proportional to 1,170,091,450,307.20, 1,613,093,940,724.80 and 784,784,650,967.68

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Solution

The fourth proportional to 1,170,091,450,307.20, 1,613,093,940,724.80 and 784,784,650,967.68 is: 1,081,908,055,064.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,170,091,450,307.20 : 1,613,093,940,724.80 = 784,784,650,967.68 : x
  2. Step 2: Convert to fraction form
    1,170,091,450,307.20/1,613,093,940,724.80 = 784,784,650,967.68/x
  3. Step 3: Cross multiply
    1,170,091,450,307.20x = 1,613,093,940,724.80 × 784,784,650,967.68
  4. Step 4: Simplify right side
    1,170,091,450,307.20x = 1,265,931,365,249,791,735,889,920
  5. Step 5: Solve for x
    x = 1,265,931,365,249,791,735,889,920/1,170,091,450,307.20
  6. Step 6: Final answer
    x = 1,081,908,055,064.78

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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.