Home / 521,527,681,805.60-782,291,522,708.40-521,527,681,805.60

Finding the Fourth Proportional to 521,527,681,805.60, 782,291,522,708.40 and 521,527,681,805.60

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Solution

The fourth proportional to 521,527,681,805.60, 782,291,522,708.40 and 521,527,681,805.60 is: 782,291,522,708.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    521,527,681,805.60 : 782,291,522,708.40 = 521,527,681,805.60 : x
  2. Step 2: Convert to fraction form
    521,527,681,805.60/782,291,522,708.40 = 521,527,681,805.60/x
  3. Step 3: Cross multiply
    521,527,681,805.60x = 782,291,522,708.40 × 521,527,681,805.60
  4. Step 4: Simplify right side
    521,527,681,805.60x = 407,986,684,334,284,721,881,088
  5. Step 5: Solve for x
    x = 407,986,684,334,284,721,881,088/521,527,681,805.60
  6. Step 6: Final answer
    x = 782,291,522,708.40

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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.