Home / 1,529,891,264.40-2,289,546,106.20-916,915,405.20

Finding the Fourth Proportional to 1,529,891,264.40, 2,289,546,106.20 and 916,915,405.20

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Solution

The fourth proportional to 1,529,891,264.40, 2,289,546,106.20 and 916,915,405.20 is: 1,372,202,158.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,529,891,264.40 : 2,289,546,106.20 = 916,915,405.20 : x
  2. Step 2: Convert to fraction form
    1,529,891,264.40/2,289,546,106.20 = 916,915,405.20/x
  3. Step 3: Cross multiply
    1,529,891,264.40x = 2,289,546,106.20 × 916,915,405.20
  4. Step 4: Simplify right side
    1,529,891,264.40x = 2,099,320,095,690,455,040
  5. Step 5: Solve for x
    x = 2,099,320,095,690,455,040/1,529,891,264.40
  6. Step 6: Final answer
    x = 1,372,202,158.77

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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.