Home / 38,541,736,973.66-53,187,750,077.85-21,624,279,961.28

Finding the Fourth Proportional to 38,541,736,973.66, 53,187,750,077.85 and 21,624,279,961.28

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Solution

The fourth proportional to 38,541,736,973.66, 53,187,750,077.85 and 21,624,279,961.28 is: 29,841,592,219.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,541,736,973.66 : 53,187,750,077.85 = 21,624,279,961.28 : x
  2. Step 2: Convert to fraction form
    38,541,736,973.66/53,187,750,077.85 = 21,624,279,961.28/x
  3. Step 3: Cross multiply
    38,541,736,973.66x = 53,187,750,077.85 × 21,624,279,961.28
  4. Step 4: Simplify right side
    38,541,736,973.66x = 1,150,146,798,193,754,636,288
  5. Step 5: Solve for x
    x = 1,150,146,798,193,754,636,288/38,541,736,973.66
  6. Step 6: Final answer
    x = 29,841,592,219.36

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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.