Home / 28,366,848,008.70-42,550,272,013.05-10,680,491,528.70

Finding the Fourth Proportional to 28,366,848,008.70, 42,550,272,013.05 and 10,680,491,528.70

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Solution

The fourth proportional to 28,366,848,008.70, 42,550,272,013.05 and 10,680,491,528.70 is: 16,020,737,293.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,366,848,008.70 : 42,550,272,013.05 = 10,680,491,528.70 : x
  2. Step 2: Convert to fraction form
    28,366,848,008.70/42,550,272,013.05 = 10,680,491,528.70/x
  3. Step 3: Cross multiply
    28,366,848,008.70x = 42,550,272,013.05 × 10,680,491,528.70
  4. Step 4: Simplify right side
    28,366,848,008.70x = 454,457,819,779,261,267,968
  5. Step 5: Solve for x
    x = 454,457,819,779,261,267,968/28,366,848,008.70
  6. Step 6: Final answer
    x = 16,020,737,293.05

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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.