Home / 319,343,466.60-440,691,417-185,393,811.96

Finding the Fourth Proportional to 319,343,466.60, 440,691,417 and 185,393,811.96

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Solution

The fourth proportional to 319,343,466.60, 440,691,417 and 185,393,811.96 is: 255,841,970.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,343,466.60 : 440,691,417 = 185,393,811.96 : x
  2. Step 2: Convert to fraction form
    319,343,466.60/440,691,417 = 185,393,811.96/x
  3. Step 3: Cross multiply
    319,343,466.60x = 440,691,417 × 185,393,811.96
  4. Step 4: Simplify right side
    319,343,466.60x = 81,701,461,695,683,952
  5. Step 5: Solve for x
    x = 81,701,461,695,683,952/319,343,466.60
  6. Step 6: Final answer
    x = 255,841,970.29

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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.