Home / 979,360,296,752.25-1,351,521,291,728.80-539,888,026,439.35

Finding the Fourth Proportional to 979,360,296,752.25, 1,351,521,291,728.80 and 539,888,026,439.35

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Solution

The fourth proportional to 979,360,296,752.25, 1,351,521,291,728.80 and 539,888,026,439.35 is: 745,047,726,870.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    979,360,296,752.25 : 1,351,521,291,728.80 = 539,888,026,439.35 : x
  2. Step 2: Convert to fraction form
    979,360,296,752.25/1,351,521,291,728.80 = 539,888,026,439.35/x
  3. Step 3: Cross multiply
    979,360,296,752.25x = 1,351,521,291,728.80 × 539,888,026,439.35
  4. Step 4: Simplify right side
    979,360,296,752.25x = 729,670,162,882,222,874,427,392
  5. Step 5: Solve for x
    x = 729,670,162,882,222,874,427,392/979,360,296,752.25
  6. Step 6: Final answer
    x = 745,047,726,870.24

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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.