Home / 28,735,559,285.70-43,103,338,928.55-16,980,934,671.30

Finding the Fourth Proportional to 28,735,559,285.70, 43,103,338,928.55 and 16,980,934,671.30

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Solution

The fourth proportional to 28,735,559,285.70, 43,103,338,928.55 and 16,980,934,671.30 is: 25,471,402,006.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,735,559,285.70 : 43,103,338,928.55 = 16,980,934,671.30 : x
  2. Step 2: Convert to fraction form
    28,735,559,285.70/43,103,338,928.55 = 16,980,934,671.30/x
  3. Step 3: Cross multiply
    28,735,559,285.70x = 43,103,338,928.55 × 16,980,934,671.30
  4. Step 4: Simplify right side
    28,735,559,285.70x = 731,934,982,460,609,658,880
  5. Step 5: Solve for x
    x = 731,934,982,460,609,658,880/28,735,559,285.70
  6. Step 6: Final answer
    x = 25,471,402,006.95

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Double scale
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1.5x scale

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.