Home / 639,389,606.04-882,348,342.62-357,136,063.20

Finding the Fourth Proportional to 639,389,606.04, 882,348,342.62 and 357,136,063.20

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Solution

The fourth proportional to 639,389,606.04, 882,348,342.62 and 357,136,063.20 is: 492,842,564.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    639,389,606.04 : 882,348,342.62 = 357,136,063.20 : x
  2. Step 2: Convert to fraction form
    639,389,606.04/882,348,342.62 = 357,136,063.20/x
  3. Step 3: Cross multiply
    639,389,606.04x = 882,348,342.62 × 357,136,063.20
  4. Step 4: Simplify right side
    639,389,606.04x = 315,118,413,452,565,888
  5. Step 5: Solve for x
    x = 315,118,413,452,565,888/639,389,606.04
  6. Step 6: Final answer
    x = 492,842,564.96

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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.