Home / 38,334,996,881.82-52,905,033,223.95-21,187,481,276.70

Finding the Fourth Proportional to 38,334,996,881.82, 52,905,033,223.95 and 21,187,481,276.70

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Solution

The fourth proportional to 38,334,996,881.82, 52,905,033,223.95 and 21,187,481,276.70 is: 29,240,237,173.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,334,996,881.82 : 52,905,033,223.95 = 21,187,481,276.70 : x
  2. Step 2: Convert to fraction form
    38,334,996,881.82/52,905,033,223.95 = 21,187,481,276.70/x
  3. Step 3: Cross multiply
    38,334,996,881.82x = 52,905,033,223.95 × 21,187,481,276.70
  4. Step 4: Simplify right side
    38,334,996,881.82x = 1,120,924,400,875,632,066,560
  5. Step 5: Solve for x
    x = 1,120,924,400,875,632,066,560/38,334,996,881.82
  6. Step 6: Final answer
    x = 29,240,237,173.65

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Double scale
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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.