Home / 931,297,507.65-1,396,414,820.48-349,050,748.05

Finding the Fourth Proportional to 931,297,507.65, 1,396,414,820.48 and 349,050,748.05

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Solution

The fourth proportional to 931,297,507.65, 1,396,414,820.48 and 349,050,748.05 is: 523,376,937.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    931,297,507.65 : 1,396,414,820.48 = 349,050,748.05 : x
  2. Step 2: Convert to fraction form
    931,297,507.65/1,396,414,820.48 = 349,050,748.05/x
  3. Step 3: Cross multiply
    931,297,507.65x = 1,396,414,820.48 × 349,050,748.05
  4. Step 4: Simplify right side
    931,297,507.65x = 487,419,637,674,905,216
  5. Step 5: Solve for x
    x = 487,419,637,674,905,216/931,297,507.65
  6. Step 6: Final answer
    x = 523,376,937.74

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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.