Home / 1,366,905,438.21-2,050,343,210.40-331,766,319.15

Finding the Fourth Proportional to 1,366,905,438.21, 2,050,343,210.40 and 331,766,319.15

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Solution

The fourth proportional to 1,366,905,438.21, 2,050,343,210.40 and 331,766,319.15 is: 497,645,850.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,366,905,438.21 : 2,050,343,210.40 = 331,766,319.15 : x
  2. Step 2: Convert to fraction form
    1,366,905,438.21/2,050,343,210.40 = 331,766,319.15/x
  3. Step 3: Cross multiply
    1,366,905,438.21x = 2,050,343,210.40 × 331,766,319.15
  4. Step 4: Simplify right side
    1,366,905,438.21x = 680,234,819,908,601,984
  5. Step 5: Solve for x
    x = 680,234,819,908,601,984/1,366,905,438.21
  6. Step 6: Final answer
    x = 497,645,850.91

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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.