Home / 5,188,537,503.33-7,781,196,605.98-1,871,920,918.77

Finding the Fourth Proportional to 5,188,537,503.33, 7,781,196,605.98 and 1,871,920,918.77

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Solution

The fourth proportional to 5,188,537,503.33, 7,781,196,605.98 and 1,871,920,918.77 is: 2,807,300,648.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,188,537,503.33 : 7,781,196,605.98 = 1,871,920,918.77 : x
  2. Step 2: Convert to fraction form
    5,188,537,503.33/7,781,196,605.98 = 1,871,920,918.77/x
  3. Step 3: Cross multiply
    5,188,537,503.33x = 7,781,196,605.98 × 1,871,920,918.77
  4. Step 4: Simplify right side
    5,188,537,503.33x = 14,565,784,699,796,086,784
  5. Step 5: Solve for x
    x = 14,565,784,699,796,086,784/5,188,537,503.33
  6. Step 6: Final answer
    x = 2,807,300,648.87

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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.