Home / 1,047,047,009.92-1,444,989,521.28-577,147,272.64

Finding the Fourth Proportional to 1,047,047,009.92, 1,444,989,521.28 and 577,147,272.64

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Solution

The fourth proportional to 1,047,047,009.92, 1,444,989,521.28 and 577,147,272.64 is: 796,498,870.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,047,047,009.92 : 1,444,989,521.28 = 577,147,272.64 : x
  2. Step 2: Convert to fraction form
    1,047,047,009.92/1,444,989,521.28 = 577,147,272.64/x
  3. Step 3: Cross multiply
    1,047,047,009.92x = 1,444,989,521.28 × 577,147,272.64
  4. Step 4: Simplify right side
    1,047,047,009.92x = 833,971,761,200,131,200
  5. Step 5: Solve for x
    x = 833,971,761,200,131,200/1,047,047,009.92
  6. Step 6: Final answer
    x = 796,498,870.92

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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.