Home / 699,536,021.60-1,049,304,032.40-490,927,714.40

Finding the Fourth Proportional to 699,536,021.60, 1,049,304,032.40 and 490,927,714.40

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Solution

The fourth proportional to 699,536,021.60, 1,049,304,032.40 and 490,927,714.40 is: 736,391,571.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    699,536,021.60 : 1,049,304,032.40 = 490,927,714.40 : x
  2. Step 2: Convert to fraction form
    699,536,021.60/1,049,304,032.40 = 490,927,714.40/x
  3. Step 3: Cross multiply
    699,536,021.60x = 1,049,304,032.40 × 490,927,714.40
  4. Step 4: Simplify right side
    699,536,021.60x = 515,132,430,336,835,520
  5. Step 5: Solve for x
    x = 515,132,430,336,835,520/699,536,021.60
  6. Step 6: Final answer
    x = 736,391,571.60

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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.