Home / 839,294,075.20-1,258,941,112.80-788,233,748.80

Finding the Fourth Proportional to 839,294,075.20, 1,258,941,112.80 and 788,233,748.80

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Solution

The fourth proportional to 839,294,075.20, 1,258,941,112.80 and 788,233,748.80 is: 1,182,350,623.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,294,075.20 : 1,258,941,112.80 = 788,233,748.80 : x
  2. Step 2: Convert to fraction form
    839,294,075.20/1,258,941,112.80 = 788,233,748.80/x
  3. Step 3: Cross multiply
    839,294,075.20x = 1,258,941,112.80 × 788,233,748.80
  4. Step 4: Simplify right side
    839,294,075.20x = 992,339,872,860,787,584
  5. Step 5: Solve for x
    x = 992,339,872,860,787,584/839,294,075.20
  6. Step 6: Final answer
    x = 1,182,350,623.20

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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.