Home / 1,700,680,080.30-2,551,020,156.45-408,215,568.30

Finding the Fourth Proportional to 1,700,680,080.30, 2,551,020,156.45 and 408,215,568.30

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Solution

The fourth proportional to 1,700,680,080.30, 2,551,020,156.45 and 408,215,568.30 is: 612,323,361.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,700,680,080.30 : 2,551,020,156.45 = 408,215,568.30 : x
  2. Step 2: Convert to fraction form
    1,700,680,080.30/2,551,020,156.45 = 408,215,568.30/x
  3. Step 3: Cross multiply
    1,700,680,080.30x = 2,551,020,156.45 × 408,215,568.30
  4. Step 4: Simplify right side
    1,700,680,080.30x = 1,041,366,142,909,991,552
  5. Step 5: Solve for x
    x = 1,041,366,142,909,991,552/1,700,680,080.30
  6. Step 6: Final answer
    x = 612,323,361.09

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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.