Home / 1,056,237,330.60-1,584,348,122.70-319,305,810.60

Finding the Fourth Proportional to 1,056,237,330.60, 1,584,348,122.70 and 319,305,810.60

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Solution

The fourth proportional to 1,056,237,330.60, 1,584,348,122.70 and 319,305,810.60 is: 478,956,335.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,056,237,330.60 : 1,584,348,122.70 = 319,305,810.60 : x
  2. Step 2: Convert to fraction form
    1,056,237,330.60/1,584,348,122.70 = 319,305,810.60/x
  3. Step 3: Cross multiply
    1,056,237,330.60x = 1,584,348,122.70 × 319,305,810.60
  4. Step 4: Simplify right side
    1,056,237,330.60x = 505,891,561,591,311,808
  5. Step 5: Solve for x
    x = 505,891,561,591,311,808/1,056,237,330.60
  6. Step 6: Final answer
    x = 478,956,335.79

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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.