Home / 1,179,428,559.60-1,769,142,839.40-791,437,263.60

Finding the Fourth Proportional to 1,179,428,559.60, 1,769,142,839.40 and 791,437,263.60

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Solution

The fourth proportional to 1,179,428,559.60, 1,769,142,839.40 and 791,437,263.60 is: 1,187,155,895.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,179,428,559.60 : 1,769,142,839.40 = 791,437,263.60 : x
  2. Step 2: Convert to fraction form
    1,179,428,559.60/1,769,142,839.40 = 791,437,263.60/x
  3. Step 3: Cross multiply
    1,179,428,559.60x = 1,769,142,839.40 × 791,437,263.60
  4. Step 4: Simplify right side
    1,179,428,559.60x = 1,400,165,567,732,270,336
  5. Step 5: Solve for x
    x = 1,400,165,567,732,270,336/1,179,428,559.60
  6. Step 6: Final answer
    x = 1,187,155,895.40

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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.