Home / 1,206,680,659.40-1,810,020,989.10-655,682,630.60

Finding the Fourth Proportional to 1,206,680,659.40, 1,810,020,989.10 and 655,682,630.60

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Solution

The fourth proportional to 1,206,680,659.40, 1,810,020,989.10 and 655,682,630.60 is: 983,523,945.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,206,680,659.40 : 1,810,020,989.10 = 655,682,630.60 : x
  2. Step 2: Convert to fraction form
    1,206,680,659.40/1,810,020,989.10 = 655,682,630.60/x
  3. Step 3: Cross multiply
    1,206,680,659.40x = 1,810,020,989.10 × 655,682,630.60
  4. Step 4: Simplify right side
    1,206,680,659.40x = 1,186,799,323,574,301,952
  5. Step 5: Solve for x
    x = 1,186,799,323,574,301,952/1,206,680,659.40
  6. Step 6: Final answer
    x = 983,523,945.90

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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.