Home / 671,434,885.20-1,007,152,327.80-398,665,246.80

Finding the Fourth Proportional to 671,434,885.20, 1,007,152,327.80 and 398,665,246.80

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Solution

The fourth proportional to 671,434,885.20, 1,007,152,327.80 and 398,665,246.80 is: 597,997,870.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,434,885.20 : 1,007,152,327.80 = 398,665,246.80 : x
  2. Step 2: Convert to fraction form
    671,434,885.20/1,007,152,327.80 = 398,665,246.80/x
  3. Step 3: Cross multiply
    671,434,885.20x = 1,007,152,327.80 × 398,665,246.80
  4. Step 4: Simplify right side
    671,434,885.20x = 401,516,631,327,581,504
  5. Step 5: Solve for x
    x = 401,516,631,327,581,504/671,434,885.20
  6. Step 6: Final answer
    x = 597,997,870.20

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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.