Home / 581,722,893.20-803,068,499.40-361,777,178

Finding the Fourth Proportional to 581,722,893.20, 803,068,499.40 and 361,777,178

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Solution

The fourth proportional to 581,722,893.20, 803,068,499.40 and 361,777,178 is: 499,433,422.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    581,722,893.20 : 803,068,499.40 = 361,777,178 : x
  2. Step 2: Convert to fraction form
    581,722,893.20/803,068,499.40 = 361,777,178/x
  3. Step 3: Cross multiply
    581,722,893.20x = 803,068,499.40 × 361,777,178
  4. Step 4: Simplify right side
    581,722,893.20x = 290,531,855,453,626,688
  5. Step 5: Solve for x
    x = 290,531,855,453,626,688/581,722,893.20
  6. Step 6: Final answer
    x = 499,433,422.42

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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.