Home / 2,186,128,259.20-3,279,192,388.80-1,975,252,470.40

Finding the Fourth Proportional to 2,186,128,259.20, 3,279,192,388.80 and 1,975,252,470.40

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Solution

The fourth proportional to 2,186,128,259.20, 3,279,192,388.80 and 1,975,252,470.40 is: 2,962,878,705.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,186,128,259.20 : 3,279,192,388.80 = 1,975,252,470.40 : x
  2. Step 2: Convert to fraction form
    2,186,128,259.20/3,279,192,388.80 = 1,975,252,470.40/x
  3. Step 3: Cross multiply
    2,186,128,259.20x = 3,279,192,388.80 × 1,975,252,470.40
  4. Step 4: Simplify right side
    2,186,128,259.20x = 6,477,232,866,894,077,952
  5. Step 5: Solve for x
    x = 6,477,232,866,894,077,952/2,186,128,259.20
  6. Step 6: Final answer
    x = 2,962,878,705.60

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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.