Home / 336,885,703.60-505,328,555.40-205,938,641.20

Finding the Fourth Proportional to 336,885,703.60, 505,328,555.40 and 205,938,641.20

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Solution

The fourth proportional to 336,885,703.60, 505,328,555.40 and 205,938,641.20 is: 308,907,961.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,885,703.60 : 505,328,555.40 = 205,938,641.20 : x
  2. Step 2: Convert to fraction form
    336,885,703.60/505,328,555.40 = 205,938,641.20/x
  3. Step 3: Cross multiply
    336,885,703.60x = 505,328,555.40 × 205,938,641.20
  4. Step 4: Simplify right side
    336,885,703.60x = 104,066,676,058,634,912
  5. Step 5: Solve for x
    x = 104,066,676,058,634,912/336,885,703.60
  6. Step 6: Final answer
    x = 308,907,961.80

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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.