Home / 39,766,334,498.82-54,878,705,055.09-21,703,009,276.26

Finding the Fourth Proportional to 39,766,334,498.82, 54,878,705,055.09 and 21,703,009,276.26

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Solution

The fourth proportional to 39,766,334,498.82, 54,878,705,055.09 and 21,703,009,276.26 is: 29,950,787,767.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,766,334,498.82 : 54,878,705,055.09 = 21,703,009,276.26 : x
  2. Step 2: Convert to fraction form
    39,766,334,498.82/54,878,705,055.09 = 21,703,009,276.26/x
  3. Step 3: Cross multiply
    39,766,334,498.82x = 54,878,705,055.09 × 21,703,009,276.26
  4. Step 4: Simplify right side
    39,766,334,498.82x = 1,191,033,044,879,754,657,792
  5. Step 5: Solve for x
    x = 1,191,033,044,879,754,657,792/39,766,334,498.82
  6. Step 6: Final answer
    x = 29,950,787,767.86

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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.