Home / 403,882,445.51-604,581,118.10-263,520,669.93

Finding the Fourth Proportional to 403,882,445.51, 604,581,118.10 and 263,520,669.93

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Solution

The fourth proportional to 403,882,445.51, 604,581,118.10 and 263,520,669.93 is: 394,470,279.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,882,445.51 : 604,581,118.10 = 263,520,669.93 : x
  2. Step 2: Convert to fraction form
    403,882,445.51/604,581,118.10 = 263,520,669.93/x
  3. Step 3: Cross multiply
    403,882,445.51x = 604,581,118.10 × 263,520,669.93
  4. Step 4: Simplify right side
    403,882,445.51x = 159,319,621,267,422,848
  5. Step 5: Solve for x
    x = 159,319,621,267,422,848/403,882,445.51
  6. Step 6: Final answer
    x = 394,470,279.75

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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.