Home / 18,915,136,169.52-26,098,557,380.19-11,292,698,573.40

Finding the Fourth Proportional to 18,915,136,169.52, 26,098,557,380.19 and 11,292,698,573.40

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Solution

The fourth proportional to 18,915,136,169.52, 26,098,557,380.19 and 11,292,698,573.40 is: 15,581,338,619.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,915,136,169.52 : 26,098,557,380.19 = 11,292,698,573.40 : x
  2. Step 2: Convert to fraction form
    18,915,136,169.52/26,098,557,380.19 = 11,292,698,573.40/x
  3. Step 3: Cross multiply
    18,915,136,169.52x = 26,098,557,380.19 × 11,292,698,573.40
  4. Step 4: Simplify right side
    18,915,136,169.52x = 294,723,141,695,069,618,176
  5. Step 5: Solve for x
    x = 294,723,141,695,069,618,176/18,915,136,169.52
  6. Step 6: Final answer
    x = 15,581,338,619.70

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Double scale
Find fourth proportional to 18,915,136,170.52, 26,098,557,381.57 and 11,292,698,574.40
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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.