Home / 552,961,168.36-763,109,595.06-318,012,012.28

Finding the Fourth Proportional to 552,961,168.36, 763,109,595.06 and 318,012,012.28

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Solution

The fourth proportional to 552,961,168.36, 763,109,595.06 and 318,012,012.28 is: 438,869,909.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,961,168.36 : 763,109,595.06 = 318,012,012.28 : x
  2. Step 2: Convert to fraction form
    552,961,168.36/763,109,595.06 = 318,012,012.28/x
  3. Step 3: Cross multiply
    552,961,168.36x = 763,109,595.06 × 318,012,012.28
  4. Step 4: Simplify right side
    552,961,168.36x = 242,678,017,915,206,496
  5. Step 5: Solve for x
    x = 242,678,017,915,206,496/552,961,168.36
  6. Step 6: Final answer
    x = 438,869,909.50

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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.