Home / 3,999,772,588.83-5,521,600,178.97-2,663,885,804.19

Finding the Fourth Proportional to 3,999,772,588.83, 5,521,600,178.97 and 2,663,885,804.19

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Solution

The fourth proportional to 3,999,772,588.83, 5,521,600,178.97 and 2,663,885,804.19 is: 3,677,437,155.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,999,772,588.83 : 5,521,600,178.97 = 2,663,885,804.19 : x
  2. Step 2: Convert to fraction form
    3,999,772,588.83/5,521,600,178.97 = 2,663,885,804.19/x
  3. Step 3: Cross multiply
    3,999,772,588.83x = 5,521,600,178.97 × 2,663,885,804.19
  4. Step 4: Simplify right side
    3,999,772,588.83x = 14,708,912,333,171,146,752
  5. Step 5: Solve for x
    x = 14,708,912,333,171,146,752/3,999,772,588.83
  6. Step 6: Final answer
    x = 3,677,437,155.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.