Home / 38,745,902,931.64-53,469,343,999.02-20,924,558,720.44

Finding the Fourth Proportional to 38,745,902,931.64, 53,469,343,999.02 and 20,924,558,720.44

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Solution

The fourth proportional to 38,745,902,931.64, 53,469,343,999.02 and 20,924,558,720.44 is: 28,875,889,928.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,745,902,931.64 : 53,469,343,999.02 = 20,924,558,720.44 : x
  2. Step 2: Convert to fraction form
    38,745,902,931.64/53,469,343,999.02 = 20,924,558,720.44/x
  3. Step 3: Cross multiply
    38,745,902,931.64x = 53,469,343,999.02 × 20,924,558,720.44
  4. Step 4: Simplify right side
    38,745,902,931.64x = 1,118,822,428,250,900,004,864
  5. Step 5: Solve for x
    x = 1,118,822,428,250,900,004,864/38,745,902,931.64
  6. Step 6: Final answer
    x = 28,875,889,928.93

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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.