Home / 465,428,767.10-698,143,150.65-206,368,994.30

Finding the Fourth Proportional to 465,428,767.10, 698,143,150.65 and 206,368,994.30

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Solution

The fourth proportional to 465,428,767.10, 698,143,150.65 and 206,368,994.30 is: 309,553,491.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    465,428,767.10 : 698,143,150.65 = 206,368,994.30 : x
  2. Step 2: Convert to fraction form
    465,428,767.10/698,143,150.65 = 206,368,994.30/x
  3. Step 3: Cross multiply
    465,428,767.10x = 698,143,150.65 × 206,368,994.30
  4. Step 4: Simplify right side
    465,428,767.10x = 144,075,099,877,073,888
  5. Step 5: Solve for x
    x = 144,075,099,877,073,888/465,428,767.10
  6. Step 6: Final answer
    x = 309,553,491.45

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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.