Home / 1,170,069,628.80-1,755,364,258.80-393,693,376.80

Finding the Fourth Proportional to 1,170,069,628.80, 1,755,364,258.80 and 393,693,376.80

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Solution

The fourth proportional to 1,170,069,628.80, 1,755,364,258.80 and 393,693,376.80 is: 590,627,485.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,170,069,628.80 : 1,755,364,258.80 = 393,693,376.80 : x
  2. Step 2: Convert to fraction form
    1,170,069,628.80/1,755,364,258.80 = 393,693,376.80/x
  3. Step 3: Cross multiply
    1,170,069,628.80x = 1,755,364,258.80 × 393,693,376.80
  4. Step 4: Simplify right side
    1,170,069,628.80x = 691,075,282,561,001,088
  5. Step 5: Solve for x
    x = 691,075,282,561,001,088/1,170,069,628.80
  6. Step 6: Final answer
    x = 590,627,485.37

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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.