Home / 638,182,307.60-957,273,461.40-332,072,291.60

Finding the Fourth Proportional to 638,182,307.60, 957,273,461.40 and 332,072,291.60

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Solution

The fourth proportional to 638,182,307.60, 957,273,461.40 and 332,072,291.60 is: 498,108,437.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    638,182,307.60 : 957,273,461.40 = 332,072,291.60 : x
  2. Step 2: Convert to fraction form
    638,182,307.60/957,273,461.40 = 332,072,291.60/x
  3. Step 3: Cross multiply
    638,182,307.60x = 957,273,461.40 × 332,072,291.60
  4. Step 4: Simplify right side
    638,182,307.60x = 317,883,992,014,962,176
  5. Step 5: Solve for x
    x = 317,883,992,014,962,176/638,182,307.60
  6. Step 6: Final answer
    x = 498,108,437.40

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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.