Home / 1,119,752,086.40-1,679,628,129.60-473,519,830.40

Finding the Fourth Proportional to 1,119,752,086.40, 1,679,628,129.60 and 473,519,830.40

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Solution

The fourth proportional to 1,119,752,086.40, 1,679,628,129.60 and 473,519,830.40 is: 710,279,745.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,119,752,086.40 : 1,679,628,129.60 = 473,519,830.40 : x
  2. Step 2: Convert to fraction form
    1,119,752,086.40/1,679,628,129.60 = 473,519,830.40/x
  3. Step 3: Cross multiply
    1,119,752,086.40x = 1,679,628,129.60 × 473,519,830.40
  4. Step 4: Simplify right side
    1,119,752,086.40x = 795,337,227,063,261,184
  5. Step 5: Solve for x
    x = 795,337,227,063,261,184/1,119,752,086.40
  6. Step 6: Final answer
    x = 710,279,745.60

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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.