Home / 979,360,296,751.23-1,351,521,291,727.40-539,888,026,438.36

Finding the Fourth Proportional to 979,360,296,751.23, 1,351,521,291,727.40 and 539,888,026,438.36

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Solution

The fourth proportional to 979,360,296,751.23, 1,351,521,291,727.40 and 539,888,026,438.36 is: 745,047,726,868.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    979,360,296,751.23 : 1,351,521,291,727.40 = 539,888,026,438.36 : x
  2. Step 2: Convert to fraction form
    979,360,296,751.23/1,351,521,291,727.40 = 539,888,026,438.36/x
  3. Step 3: Cross multiply
    979,360,296,751.23x = 1,351,521,291,727.40 × 539,888,026,438.36
  4. Step 4: Simplify right side
    979,360,296,751.23x = 729,670,162,880,128,943,652,864
  5. Step 5: Solve for x
    x = 729,670,162,880,128,943,652,864/979,360,296,751.23
  6. Step 6: Final answer
    x = 745,047,726,868.87

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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.