Home / 5,457,036,478.76-8,189,211,108.33-1,915,788,435.59

Finding the Fourth Proportional to 5,457,036,478.76, 8,189,211,108.33 and 1,915,788,435.59

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Solution

The fourth proportional to 5,457,036,478.76, 8,189,211,108.33 and 1,915,788,435.59 is: 2,874,966,293.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,457,036,478.76 : 8,189,211,108.33 = 1,915,788,435.59 : x
  2. Step 2: Convert to fraction form
    5,457,036,478.76/8,189,211,108.33 = 1,915,788,435.59/x
  3. Step 3: Cross multiply
    5,457,036,478.76x = 8,189,211,108.33 × 1,915,788,435.59
  4. Step 4: Simplify right side
    5,457,036,478.76x = 15,688,795,937,930,258,432
  5. Step 5: Solve for x
    x = 15,688,795,937,930,258,432/5,457,036,478.76
  6. Step 6: Final answer
    x = 2,874,966,293.34

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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.