Home / 5,188,537,505.33-7,781,196,608.98-1,871,920,920.77

Finding the Fourth Proportional to 5,188,537,505.33, 7,781,196,608.98 and 1,871,920,920.77

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Solution

The fourth proportional to 5,188,537,505.33, 7,781,196,608.98 and 1,871,920,920.77 is: 2,807,300,651.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,188,537,505.33 : 7,781,196,608.98 = 1,871,920,920.77 : x
  2. Step 2: Convert to fraction form
    5,188,537,505.33/7,781,196,608.98 = 1,871,920,920.77/x
  3. Step 3: Cross multiply
    5,188,537,505.33x = 7,781,196,608.98 × 1,871,920,920.77
  4. Step 4: Simplify right side
    5,188,537,505.33x = 14,565,784,720,974,241,792
  5. Step 5: Solve for x
    x = 14,565,784,720,974,241,792/5,188,537,505.33
  6. Step 6: Final answer
    x = 2,807,300,651.87

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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.