Home / 15,480,933,651.04-21,365,502,140.64-8,798,934,639.28

Finding the Fourth Proportional to 15,480,933,651.04, 21,365,502,140.64 and 8,798,934,639.28

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Solution

The fourth proportional to 15,480,933,651.04, 21,365,502,140.64 and 8,798,934,639.28 is: 12,143,560,660.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,480,933,651.04 : 21,365,502,140.64 = 8,798,934,639.28 : x
  2. Step 2: Convert to fraction form
    15,480,933,651.04/21,365,502,140.64 = 8,798,934,639.28/x
  3. Step 3: Cross multiply
    15,480,933,651.04x = 21,365,502,140.64 × 8,798,934,639.28
  4. Step 4: Simplify right side
    15,480,933,651.04x = 187,993,656,870,888,308,736
  5. Step 5: Solve for x
    x = 187,993,656,870,888,308,736/15,480,933,651.04
  6. Step 6: Final answer
    x = 12,143,560,660.39

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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.