Home / 724,222,801,577.40-999,382,434,556.10-399,043,896,047.65

Finding the Fourth Proportional to 724,222,801,577.40, 999,382,434,556.10 and 399,043,896,047.65

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Solution

The fourth proportional to 724,222,801,577.40, 999,382,434,556.10 and 399,043,896,047.65 is: 550,655,764,301.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,222,801,577.40 : 999,382,434,556.10 = 399,043,896,047.65 : x
  2. Step 2: Convert to fraction form
    724,222,801,577.40/999,382,434,556.10 = 399,043,896,047.65/x
  3. Step 3: Cross multiply
    724,222,801,577.40x = 999,382,434,556.10 × 399,043,896,047.65
  4. Step 4: Simplify right side
    724,222,801,577.40x = 398,797,460,326,851,780,018,176
  5. Step 5: Solve for x
    x = 398,797,460,326,851,780,018,176/724,222,801,577.40
  6. Step 6: Final answer
    x = 550,655,764,301.05

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Double scale
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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.