Home / 1,130,127,257.60-1,559,662,958.32-678,022,238.66

Finding the Fourth Proportional to 1,130,127,257.60, 1,559,662,958.32 and 678,022,238.66

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Solution

The fourth proportional to 1,130,127,257.60, 1,559,662,958.32 and 678,022,238.66 is: 935,723,090.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,130,127,257.60 : 1,559,662,958.32 = 678,022,238.66 : x
  2. Step 2: Convert to fraction form
    1,130,127,257.60/1,559,662,958.32 = 678,022,238.66/x
  3. Step 3: Cross multiply
    1,130,127,257.60x = 1,559,662,958.32 × 678,022,238.66
  4. Step 4: Simplify right side
    1,130,127,257.60x = 1,057,486,170,545,711,360
  5. Step 5: Solve for x
    x = 1,057,486,170,545,711,360/1,130,127,257.60
  6. Step 6: Final answer
    x = 935,723,090.86

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.