Home / 773,387,579.62-1,160,070,010.80-191,121,809.50

Finding the Fourth Proportional to 773,387,579.62, 1,160,070,010.80 and 191,121,809.50

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Solution

The fourth proportional to 773,387,579.62, 1,160,070,010.80 and 191,121,809.50 is: 286,679,907.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    773,387,579.62 : 1,160,070,010.80 = 191,121,809.50 : x
  2. Step 2: Convert to fraction form
    773,387,579.62/1,160,070,010.80 = 191,121,809.50/x
  3. Step 3: Cross multiply
    773,387,579.62x = 1,160,070,010.80 × 191,121,809.50
  4. Step 4: Simplify right side
    773,387,579.62x = 221,714,679,610,780,544
  5. Step 5: Solve for x
    x = 221,714,679,610,780,544/773,387,579.62
  6. Step 6: Final answer
    x = 286,679,907.27

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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.