Home / 718,488,051.20-1,077,732,076.80-488,905,539.20

Finding the Fourth Proportional to 718,488,051.20, 1,077,732,076.80 and 488,905,539.20

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Solution

The fourth proportional to 718,488,051.20, 1,077,732,076.80 and 488,905,539.20 is: 733,358,308.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    718,488,051.20 : 1,077,732,076.80 = 488,905,539.20 : x
  2. Step 2: Convert to fraction form
    718,488,051.20/1,077,732,076.80 = 488,905,539.20/x
  3. Step 3: Cross multiply
    718,488,051.20x = 1,077,732,076.80 × 488,905,539.20
  4. Step 4: Simplify right side
    718,488,051.20x = 526,909,182,121,039,744
  5. Step 5: Solve for x
    x = 526,909,182,121,039,744/718,488,051.20
  6. Step 6: Final answer
    x = 733,358,308.80

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Double scale
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Similar ratio
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1.5x scale

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.