Home / 12,956,346,435.16-17,879,824,197.53-7,240,726,256.08

Finding the Fourth Proportional to 12,956,346,435.16, 17,879,824,197.53 and 7,240,726,256.08

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Solution

The fourth proportional to 12,956,346,435.16, 17,879,824,197.53 and 7,240,726,256.08 is: 9,992,239,183.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,956,346,435.16 : 17,879,824,197.53 = 7,240,726,256.08 : x
  2. Step 2: Convert to fraction form
    12,956,346,435.16/17,879,824,197.53 = 7,240,726,256.08/x
  3. Step 3: Cross multiply
    12,956,346,435.16x = 17,879,824,197.53 × 7,240,726,256.08
  4. Step 4: Simplify right side
    12,956,346,435.16x = 129,462,912,521,149,972,480
  5. Step 5: Solve for x
    x = 129,462,912,521,149,972,480/12,956,346,435.16
  6. Step 6: Final answer
    x = 9,992,239,183.25

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1.5x scale

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.