Home / 13,325,590,637.56-19,869,251,654.39-12,959,478,276.76

Finding the Fourth Proportional to 13,325,590,637.56, 19,869,251,654.39 and 12,959,478,276.76

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Solution

The fourth proportional to 13,325,590,637.56, 19,869,251,654.39 and 12,959,478,276.76 is: 19,323,356,254.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,325,590,637.56 : 19,869,251,654.39 = 12,959,478,276.76 : x
  2. Step 2: Convert to fraction form
    13,325,590,637.56/19,869,251,654.39 = 12,959,478,276.76/x
  3. Step 3: Cross multiply
    13,325,590,637.56x = 19,869,251,654.39 × 12,959,478,276.76
  4. Step 4: Simplify right side
    13,325,590,637.56x = 257,495,135,190,544,908,288
  5. Step 5: Solve for x
    x = 257,495,135,190,544,908,288/13,325,590,637.56
  6. Step 6: Final answer
    x = 19,323,356,254.45

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.