Home / 783,073,760.67-1,080,620,205.93-430,649,742.87

Finding the Fourth Proportional to 783,073,760.67, 1,080,620,205.93 and 430,649,742.87

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Solution

The fourth proportional to 783,073,760.67, 1,080,620,205.93 and 430,649,742.87 is: 594,284,775.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    783,073,760.67 : 1,080,620,205.93 = 430,649,742.87 : x
  2. Step 2: Convert to fraction form
    783,073,760.67/1,080,620,205.93 = 430,649,742.87/x
  3. Step 3: Cross multiply
    783,073,760.67x = 1,080,620,205.93 × 430,649,742.87
  4. Step 4: Simplify right side
    783,073,760.67x = 465,368,813,823,880,960
  5. Step 5: Solve for x
    x = 465,368,813,823,880,960/783,073,760.67
  6. Step 6: Final answer
    x = 594,284,775.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.