Home / 1,085,949,412.60-1,628,924,118.90-268,061,713.60

Finding the Fourth Proportional to 1,085,949,412.60, 1,628,924,118.90 and 268,061,713.60

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Solution

The fourth proportional to 1,085,949,412.60, 1,628,924,118.90 and 268,061,713.60 is: 402,092,570.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,085,949,412.60 : 1,628,924,118.90 = 268,061,713.60 : x
  2. Step 2: Convert to fraction form
    1,085,949,412.60/1,628,924,118.90 = 268,061,713.60/x
  3. Step 3: Cross multiply
    1,085,949,412.60x = 1,628,924,118.90 × 268,061,713.60
  4. Step 4: Simplify right side
    1,085,949,412.60x = 436,652,190,636,704,192
  5. Step 5: Solve for x
    x = 436,652,190,636,704,192/1,085,949,412.60
  6. Step 6: Final answer
    x = 402,092,570.40

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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.