Home / 398,605,205.70-597,907,808.55-295,293,075.30

Finding the Fourth Proportional to 398,605,205.70, 597,907,808.55 and 295,293,075.30

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Solution

The fourth proportional to 398,605,205.70, 597,907,808.55 and 295,293,075.30 is: 442,939,612.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    398,605,205.70 : 597,907,808.55 = 295,293,075.30 : x
  2. Step 2: Convert to fraction form
    398,605,205.70/597,907,808.55 = 295,293,075.30/x
  3. Step 3: Cross multiply
    398,605,205.70x = 597,907,808.55 × 295,293,075.30
  4. Step 4: Simplify right side
    398,605,205.70x = 176,558,035,532,613,120
  5. Step 5: Solve for x
    x = 176,558,035,532,613,120/398,605,205.70
  6. Step 6: Final answer
    x = 442,939,612.95

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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.