Home / 590,478,331.60-885,717,497.40-427,219,656.40

Finding the Fourth Proportional to 590,478,331.60, 885,717,497.40 and 427,219,656.40

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Solution

The fourth proportional to 590,478,331.60, 885,717,497.40 and 427,219,656.40 is: 640,829,484.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    590,478,331.60 : 885,717,497.40 = 427,219,656.40 : x
  2. Step 2: Convert to fraction form
    590,478,331.60/885,717,497.40 = 427,219,656.40/x
  3. Step 3: Cross multiply
    590,478,331.60x = 885,717,497.40 × 427,219,656.40
  4. Step 4: Simplify right side
    590,478,331.60x = 378,395,924,906,695,872
  5. Step 5: Solve for x
    x = 378,395,924,906,695,872/590,478,331.60
  6. Step 6: Final answer
    x = 640,829,484.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.