Home / 1,120,516,799.40-1,680,775,199.10-344,161,214.55

Finding the Fourth Proportional to 1,120,516,799.40, 1,680,775,199.10 and 344,161,214.55

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Solution

The fourth proportional to 1,120,516,799.40, 1,680,775,199.10 and 344,161,214.55 is: 516,241,821.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,120,516,799.40 : 1,680,775,199.10 = 344,161,214.55 : x
  2. Step 2: Convert to fraction form
    1,120,516,799.40/1,680,775,199.10 = 344,161,214.55/x
  3. Step 3: Cross multiply
    1,120,516,799.40x = 1,680,775,199.10 × 344,161,214.55
  4. Step 4: Simplify right side
    1,120,516,799.40x = 578,457,633,907,774,080
  5. Step 5: Solve for x
    x = 578,457,633,907,774,080/1,120,516,799.40
  6. Step 6: Final answer
    x = 516,241,821.83

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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.