Home / 345,583,308.40-476,905,006.02-188,950,521.49

Finding the Fourth Proportional to 345,583,308.40, 476,905,006.02 and 188,950,521.49

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Solution

The fourth proportional to 345,583,308.40, 476,905,006.02 and 188,950,521.49 is: 260,751,741.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,583,308.40 : 476,905,006.02 = 188,950,521.49 : x
  2. Step 2: Convert to fraction form
    345,583,308.40/476,905,006.02 = 188,950,521.49/x
  3. Step 3: Cross multiply
    345,583,308.40x = 476,905,006.02 × 188,950,521.49
  4. Step 4: Simplify right side
    345,583,308.40x = 90,111,449,588,186,896
  5. Step 5: Solve for x
    x = 90,111,449,588,186,896/345,583,308.40
  6. Step 6: Final answer
    x = 260,751,741.76

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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.