Home / 1,513,303,687.90-2,269,955,531.85-929,143,740.70

Finding the Fourth Proportional to 1,513,303,687.90, 2,269,955,531.85 and 929,143,740.70

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Solution

The fourth proportional to 1,513,303,687.90, 2,269,955,531.85 and 929,143,740.70 is: 1,393,715,611.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,513,303,687.90 : 2,269,955,531.85 = 929,143,740.70 : x
  2. Step 2: Convert to fraction form
    1,513,303,687.90/2,269,955,531.85 = 929,143,740.70/x
  3. Step 3: Cross multiply
    1,513,303,687.90x = 2,269,955,531.85 × 929,143,740.70
  4. Step 4: Simplify right side
    1,513,303,687.90x = 2,109,114,974,085,766,912
  5. Step 5: Solve for x
    x = 2,109,114,974,085,766,912/1,513,303,687.90
  6. Step 6: Final answer
    x = 1,393,715,611.05

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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.