Home / 403,813,811.70-605,720,717.55-289,152,026.10

Finding the Fourth Proportional to 403,813,811.70, 605,720,717.55 and 289,152,026.10

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Solution

The fourth proportional to 403,813,811.70, 605,720,717.55 and 289,152,026.10 is: 433,728,039.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,813,811.70 : 605,720,717.55 = 289,152,026.10 : x
  2. Step 2: Convert to fraction form
    403,813,811.70/605,720,717.55 = 289,152,026.10/x
  3. Step 3: Cross multiply
    403,813,811.70x = 605,720,717.55 × 289,152,026.10
  4. Step 4: Simplify right side
    403,813,811.70x = 175,145,372,730,328,320
  5. Step 5: Solve for x
    x = 175,145,372,730,328,320/403,813,811.70
  6. Step 6: Final answer
    x = 433,728,039.15

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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.