Home / 28,735,559,318.70-43,103,338,978.05-16,980,934,704.30

Finding the Fourth Proportional to 28,735,559,318.70, 43,103,338,978.05 and 16,980,934,704.30

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Solution

The fourth proportional to 28,735,559,318.70, 43,103,338,978.05 and 16,980,934,704.30 is: 25,471,402,056.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,735,559,318.70 : 43,103,338,978.05 = 16,980,934,704.30 : x
  2. Step 2: Convert to fraction form
    28,735,559,318.70/43,103,338,978.05 = 16,980,934,704.30/x
  3. Step 3: Cross multiply
    28,735,559,318.70x = 43,103,338,978.05 × 16,980,934,704.30
  4. Step 4: Simplify right side
    28,735,559,318.70x = 731,934,984,723,576,127,488
  5. Step 5: Solve for x
    x = 731,934,984,723,576,127,488/28,735,559,318.70
  6. Step 6: Final answer
    x = 25,471,402,056.45

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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.