Home / 770,882,708.81-1,063,819,486.69-418,458,938.26

Finding the Fourth Proportional to 770,882,708.81, 1,063,819,486.69 and 418,458,938.26

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Solution

The fourth proportional to 770,882,708.81, 1,063,819,486.69 and 418,458,938.26 is: 577,474,066.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    770,882,708.81 : 1,063,819,486.69 = 418,458,938.26 : x
  2. Step 2: Convert to fraction form
    770,882,708.81/1,063,819,486.69 = 418,458,938.26/x
  3. Step 3: Cross multiply
    770,882,708.81x = 1,063,819,486.69 × 418,458,938.26
  4. Step 4: Simplify right side
    770,882,708.81x = 445,164,772,903,082,112
  5. Step 5: Solve for x
    x = 445,164,772,903,082,112/770,882,708.81
  6. Step 6: Final answer
    x = 577,474,066.83

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1.5x scale

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.