Home / 839,294,071.20-1,258,941,106.80-788,233,744.80

Finding the Fourth Proportional to 839,294,071.20, 1,258,941,106.80 and 788,233,744.80

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Solution

The fourth proportional to 839,294,071.20, 1,258,941,106.80 and 788,233,744.80 is: 1,182,350,617.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,294,071.20 : 1,258,941,106.80 = 788,233,744.80 : x
  2. Step 2: Convert to fraction form
    839,294,071.20/1,258,941,106.80 = 788,233,744.80/x
  3. Step 3: Cross multiply
    839,294,071.20x = 1,258,941,106.80 × 788,233,744.80
  4. Step 4: Simplify right side
    839,294,071.20x = 992,339,863,095,620,608
  5. Step 5: Solve for x
    x = 992,339,863,095,620,608/839,294,071.20
  6. Step 6: Final answer
    x = 1,182,350,617.20

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1.5x scale

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.