Home / 665,899,809.60-998,849,714.40-174,612,129.60

Finding the Fourth Proportional to 665,899,809.60, 998,849,714.40 and 174,612,129.60

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Solution

The fourth proportional to 665,899,809.60, 998,849,714.40 and 174,612,129.60 is: 261,918,194.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    665,899,809.60 : 998,849,714.40 = 174,612,129.60 : x
  2. Step 2: Convert to fraction form
    665,899,809.60/998,849,714.40 = 174,612,129.60/x
  3. Step 3: Cross multiply
    665,899,809.60x = 998,849,714.40 × 174,612,129.60
  4. Step 4: Simplify right side
    665,899,809.60x = 174,411,275,781,735,776
  5. Step 5: Solve for x
    x = 174,411,275,781,735,776/665,899,809.60
  6. Step 6: Final answer
    x = 261,918,194.40

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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.