Home / 547,702,764.85-821,592,123.32-220,178,407.87

Finding the Fourth Proportional to 547,702,764.85, 821,592,123.32 and 220,178,407.87

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Solution

The fourth proportional to 547,702,764.85, 821,592,123.32 and 220,178,407.87 is: 330,282,878.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,702,764.85 : 821,592,123.32 = 220,178,407.87 : x
  2. Step 2: Convert to fraction form
    547,702,764.85/821,592,123.32 = 220,178,407.87/x
  3. Step 3: Cross multiply
    547,702,764.85x = 821,592,123.32 × 220,178,407.87
  4. Step 4: Simplify right side
    547,702,764.85x = 180,896,845,631,130,304
  5. Step 5: Solve for x
    x = 180,896,845,631,130,304/547,702,764.85
  6. Step 6: Final answer
    x = 330,282,878.31

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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.