Home / 947,962,562.40-1,421,943,843.60-488,797,538.40

Finding the Fourth Proportional to 947,962,562.40, 1,421,943,843.60 and 488,797,538.40

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Solution

The fourth proportional to 947,962,562.40, 1,421,943,843.60 and 488,797,538.40 is: 733,196,307.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    947,962,562.40 : 1,421,943,843.60 = 488,797,538.40 : x
  2. Step 2: Convert to fraction form
    947,962,562.40/1,421,943,843.60 = 488,797,538.40/x
  3. Step 3: Cross multiply
    947,962,562.40x = 1,421,943,843.60 × 488,797,538.40
  4. Step 4: Simplify right side
    947,962,562.40x = 695,042,650,494,714,496
  5. Step 5: Solve for x
    x = 695,042,650,494,714,496/947,962,562.40
  6. Step 6: Final answer
    x = 733,196,307.60

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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.