Home / 775,590,185.58-1,070,644,711.40-521,418,952.36

Finding the Fourth Proportional to 775,590,185.58, 1,070,644,711.40 and 521,418,952.36

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Solution

The fourth proportional to 775,590,185.58, 1,070,644,711.40 and 521,418,952.36 is: 719,780,180.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    775,590,185.58 : 1,070,644,711.40 = 521,418,952.36 : x
  2. Step 2: Convert to fraction form
    775,590,185.58/1,070,644,711.40 = 521,418,952.36/x
  3. Step 3: Cross multiply
    775,590,185.58x = 1,070,644,711.40 × 521,418,952.36
  4. Step 4: Simplify right side
    775,590,185.58x = 558,254,443,767,962,560
  5. Step 5: Solve for x
    x = 558,254,443,767,962,560/775,590,185.58
  6. Step 6: Final answer
    x = 719,780,180.50

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.