Home / 979,360,296,750.05-1,351,521,291,725.80-539,888,026,437.20

Finding the Fourth Proportional to 979,360,296,750.05, 1,351,521,291,725.80 and 539,888,026,437.20

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Solution

The fourth proportional to 979,360,296,750.05, 1,351,521,291,725.80 and 539,888,026,437.20 is: 745,047,726,867.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    979,360,296,750.05 : 1,351,521,291,725.80 = 539,888,026,437.20 : x
  2. Step 2: Convert to fraction form
    979,360,296,750.05/1,351,521,291,725.80 = 539,888,026,437.20/x
  3. Step 3: Cross multiply
    979,360,296,750.05x = 1,351,521,291,725.80 × 539,888,026,437.20
  4. Step 4: Simplify right side
    979,360,296,750.05x = 729,670,162,877,697,455,292,416
  5. Step 5: Solve for x
    x = 729,670,162,877,697,455,292,416/979,360,296,750.05
  6. Step 6: Final answer
    x = 745,047,726,867.29

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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.