Home / 1,601,425,809.60-2,402,138,714.40-511,019,102.40

Finding the Fourth Proportional to 1,601,425,809.60, 2,402,138,714.40 and 511,019,102.40

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Solution

The fourth proportional to 1,601,425,809.60, 2,402,138,714.40 and 511,019,102.40 is: 766,528,653.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,601,425,809.60 : 2,402,138,714.40 = 511,019,102.40 : x
  2. Step 2: Convert to fraction form
    1,601,425,809.60/2,402,138,714.40 = 511,019,102.40/x
  3. Step 3: Cross multiply
    1,601,425,809.60x = 2,402,138,714.40 × 511,019,102.40
  4. Step 4: Simplify right side
    1,601,425,809.60x = 1,227,538,769,672,977,920
  5. Step 5: Solve for x
    x = 1,227,538,769,672,977,920/1,601,425,809.60
  6. Step 6: Final answer
    x = 766,528,653.60

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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.