Home / 295,245,739.40-442,868,609.10-293,545,128.20

Finding the Fourth Proportional to 295,245,739.40, 442,868,609.10 and 293,545,128.20

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Solution

The fourth proportional to 295,245,739.40, 442,868,609.10 and 293,545,128.20 is: 440,317,692.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,245,739.40 : 442,868,609.10 = 293,545,128.20 : x
  2. Step 2: Convert to fraction form
    295,245,739.40/442,868,609.10 = 293,545,128.20/x
  3. Step 3: Cross multiply
    295,245,739.40x = 442,868,609.10 × 293,545,128.20
  4. Step 4: Simplify right side
    295,245,739.40x = 130,001,922,634,015,184
  5. Step 5: Solve for x
    x = 130,001,922,634,015,184/295,245,739.40
  6. Step 6: Final answer
    x = 440,317,692.30

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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.