Home / 12,956,346,433.16-17,879,824,194.77-7,240,726,254.08

Finding the Fourth Proportional to 12,956,346,433.16, 17,879,824,194.77 and 7,240,726,254.08

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Solution

The fourth proportional to 12,956,346,433.16, 17,879,824,194.77 and 7,240,726,254.08 is: 9,992,239,180.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,956,346,433.16 : 17,879,824,194.77 = 7,240,726,254.08 : x
  2. Step 2: Convert to fraction form
    12,956,346,433.16/17,879,824,194.77 = 7,240,726,254.08/x
  3. Step 3: Cross multiply
    12,956,346,433.16x = 17,879,824,194.77 × 7,240,726,254.08
  4. Step 4: Simplify right side
    12,956,346,433.16x = 129,462,912,465,280,319,488
  5. Step 5: Solve for x
    x = 129,462,912,465,280,319,488/12,956,346,433.16
  6. Step 6: Final answer
    x = 9,992,239,180.48

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Double scale
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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.