Home / 449,075,308.70-673,612,963.05-328,142,956.70

Finding the Fourth Proportional to 449,075,308.70, 673,612,963.05 and 328,142,956.70

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Solution

The fourth proportional to 449,075,308.70, 673,612,963.05 and 328,142,956.70 is: 492,214,435.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,075,308.70 : 673,612,963.05 = 328,142,956.70 : x
  2. Step 2: Convert to fraction form
    449,075,308.70/673,612,963.05 = 328,142,956.70/x
  3. Step 3: Cross multiply
    449,075,308.70x = 673,612,963.05 × 328,142,956.70
  4. Step 4: Simplify right side
    449,075,308.70x = 221,041,349,366,674,816
  5. Step 5: Solve for x
    x = 221,041,349,366,674,816/449,075,308.70
  6. Step 6: Final answer
    x = 492,214,435.05

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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.