Home / 319,343,466.98-440,691,417.70-185,393,812.34

Finding the Fourth Proportional to 319,343,466.98, 440,691,417.70 and 185,393,812.34

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Solution

The fourth proportional to 319,343,466.98, 440,691,417.70 and 185,393,812.34 is: 255,841,970.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,343,466.98 : 440,691,417.70 = 185,393,812.34 : x
  2. Step 2: Convert to fraction form
    319,343,466.98/440,691,417.70 = 185,393,812.34/x
  3. Step 3: Cross multiply
    319,343,466.98x = 440,691,417.70 × 185,393,812.34
  4. Step 4: Simplify right side
    319,343,466.98x = 81,701,461,990,255,408
  5. Step 5: Solve for x
    x = 81,701,461,990,255,408/319,343,466.98
  6. Step 6: Final answer
    x = 255,841,970.92

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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.