Home / 605,322,291.60-907,983,437.40-458,963,440.20

Finding the Fourth Proportional to 605,322,291.60, 907,983,437.40 and 458,963,440.20

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Solution

The fourth proportional to 605,322,291.60, 907,983,437.40 and 458,963,440.20 is: 688,445,160.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,322,291.60 : 907,983,437.40 = 458,963,440.20 : x
  2. Step 2: Convert to fraction form
    605,322,291.60/907,983,437.40 = 458,963,440.20/x
  3. Step 3: Cross multiply
    605,322,291.60x = 907,983,437.40 × 458,963,440.20
  4. Step 4: Simplify right side
    605,322,291.60x = 416,731,202,073,725,312
  5. Step 5: Solve for x
    x = 416,731,202,073,725,312/605,322,291.60
  6. Step 6: Final answer
    x = 688,445,160.30

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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.