Home / 1,475,131,568.40-2,212,646,176.80-369,746,098.20

Finding the Fourth Proportional to 1,475,131,568.40, 2,212,646,176.80 and 369,746,098.20

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Solution

The fourth proportional to 1,475,131,568.40, 2,212,646,176.80 and 369,746,098.20 is: 554,606,319.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,475,131,568.40 : 2,212,646,176.80 = 369,746,098.20 : x
  2. Step 2: Convert to fraction form
    1,475,131,568.40/2,212,646,176.80 = 369,746,098.20/x
  3. Step 3: Cross multiply
    1,475,131,568.40x = 2,212,646,176.80 × 369,746,098.20
  4. Step 4: Simplify right side
    1,475,131,568.40x = 818,117,290,568,947,456
  5. Step 5: Solve for x
    x = 818,117,290,568,947,456/1,475,131,568.40
  6. Step 6: Final answer
    x = 554,606,319.93

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.