Home / 1,664,736,619.76-2,496,358,587.10-992,008,978.20

Finding the Fourth Proportional to 1,664,736,619.76, 2,496,358,587.10 and 992,008,978.20

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Solution

The fourth proportional to 1,664,736,619.76, 2,496,358,587.10 and 992,008,978.20 is: 1,487,568,725.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,664,736,619.76 : 2,496,358,587.10 = 992,008,978.20 : x
  2. Step 2: Convert to fraction form
    1,664,736,619.76/2,496,358,587.10 = 992,008,978.20/x
  3. Step 3: Cross multiply
    1,664,736,619.76x = 2,496,358,587.10 × 992,008,978.20
  4. Step 4: Simplify right side
    1,664,736,619.76x = 2,476,410,131,209,866,752
  5. Step 5: Solve for x
    x = 2,476,410,131,209,866,752/1,664,736,619.76
  6. Step 6: Final answer
    x = 1,487,568,725.18

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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.