Home / 85,417,177,058.40-128,163,986,182.80-38,864,492,104.80

Finding the Fourth Proportional to 85,417,177,058.40, 128,163,986,182.80 and 38,864,492,104.80

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Solution

The fourth proportional to 85,417,177,058.40, 128,163,986,182.80 and 38,864,492,104.80 is: 58,314,128,383.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,417,177,058.40 : 128,163,986,182.80 = 38,864,492,104.80 : x
  2. Step 2: Convert to fraction form
    85,417,177,058.40/128,163,986,182.80 = 38,864,492,104.80/x
  3. Step 3: Cross multiply
    85,417,177,058.40x = 128,163,986,182.80 × 38,864,492,104.80
  4. Step 4: Simplify right side
    85,417,177,058.40x = 4,981,028,229,121,127,219,200
  5. Step 5: Solve for x
    x = 4,981,028,229,121,127,219,200/85,417,177,058.40
  6. Step 6: Final answer
    x = 58,314,128,383.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.