Home / 1,798,272,081.80-2,697,482,772.30-571,405,905.80

Finding the Fourth Proportional to 1,798,272,081.80, 2,697,482,772.30 and 571,405,905.80

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Solution

The fourth proportional to 1,798,272,081.80, 2,697,482,772.30 and 571,405,905.80 is: 857,132,578.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,798,272,081.80 : 2,697,482,772.30 = 571,405,905.80 : x
  2. Step 2: Convert to fraction form
    1,798,272,081.80/2,697,482,772.30 = 571,405,905.80/x
  3. Step 3: Cross multiply
    1,798,272,081.80x = 2,697,482,772.30 × 571,405,905.80
  4. Step 4: Simplify right side
    1,798,272,081.80x = 1,541,357,586,885,976,576
  5. Step 5: Solve for x
    x = 1,541,357,586,885,976,576/1,798,272,081.80
  6. Step 6: Final answer
    x = 857,132,578.82

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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.