Home / 1,286,093,099.52-1,927,352,432.88-671,451,271.20

Finding the Fourth Proportional to 1,286,093,099.52, 1,927,352,432.88 and 671,451,271.20

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Solution

The fourth proportional to 1,286,093,099.52, 1,927,352,432.88 and 671,451,271.20 is: 1,006,243,826.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,286,093,099.52 : 1,927,352,432.88 = 671,451,271.20 : x
  2. Step 2: Convert to fraction form
    1,286,093,099.52/1,927,352,432.88 = 671,451,271.20/x
  3. Step 3: Cross multiply
    1,286,093,099.52x = 1,927,352,432.88 × 671,451,271.20
  4. Step 4: Simplify right side
    1,286,093,099.52x = 1,294,123,241,107,688,960
  5. Step 5: Solve for x
    x = 1,294,123,241,107,688,960/1,286,093,099.52
  6. Step 6: Final answer
    x = 1,006,243,826.04

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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.