Home / 38,871,197,533.44-53,642,304,328.32-21,049,885,774.08

Finding the Fourth Proportional to 38,871,197,533.44, 53,642,304,328.32 and 21,049,885,774.08

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Solution

The fourth proportional to 38,871,197,533.44, 53,642,304,328.32 and 21,049,885,774.08 is: 29,048,870,382.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,871,197,533.44 : 53,642,304,328.32 = 21,049,885,774.08 : x
  2. Step 2: Convert to fraction form
    38,871,197,533.44/53,642,304,328.32 = 21,049,885,774.08/x
  3. Step 3: Cross multiply
    38,871,197,533.44x = 53,642,304,328.32 × 21,049,885,774.08
  4. Step 4: Simplify right side
    38,871,197,533.44x = 1,129,164,378,769,573,281,792
  5. Step 5: Solve for x
    x = 1,129,164,378,769,573,281,792/38,871,197,533.44
  6. Step 6: Final answer
    x = 29,048,870,382.71

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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.