Home / 1,316,724,819.59-1,973,704,646.25-443,022,861.72

Finding the Fourth Proportional to 1,316,724,819.59, 1,973,704,646.25 and 443,022,861.72

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Solution

The fourth proportional to 1,316,724,819.59, 1,973,704,646.25 and 443,022,861.72 is: 664,069,111.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,316,724,819.59 : 1,973,704,646.25 = 443,022,861.72 : x
  2. Step 2: Convert to fraction form
    1,316,724,819.59/1,973,704,646.25 = 443,022,861.72/x
  3. Step 3: Cross multiply
    1,316,724,819.59x = 1,973,704,646.25 × 443,022,861.72
  4. Step 4: Simplify right side
    1,316,724,819.59x = 874,396,280,561,866,752
  5. Step 5: Solve for x
    x = 874,396,280,561,866,752/1,316,724,819.59
  6. Step 6: Final answer
    x = 664,069,111.14

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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.