Home / 1,286,774,373.16-1,929,280,394.28-655,284,049.25

Finding the Fourth Proportional to 1,286,774,373.16, 1,929,280,394.28 and 655,284,049.25

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Solution

The fourth proportional to 1,286,774,373.16, 1,929,280,394.28 and 655,284,049.25 is: 982,477,344.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,286,774,373.16 : 1,929,280,394.28 = 655,284,049.25 : x
  2. Step 2: Convert to fraction form
    1,286,774,373.16/1,929,280,394.28 = 655,284,049.25/x
  3. Step 3: Cross multiply
    1,286,774,373.16x = 1,929,280,394.28 × 655,284,049.25
  4. Step 4: Simplify right side
    1,286,774,373.16x = 1,264,226,668,902,434,816
  5. Step 5: Solve for x
    x = 1,264,226,668,902,434,816/1,286,774,373.16
  6. Step 6: Final answer
    x = 982,477,344.34

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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.