Home / 1,359,590,999.40-2,039,386,499.10-440,127,210.60

Finding the Fourth Proportional to 1,359,590,999.40, 2,039,386,499.10 and 440,127,210.60

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Solution

The fourth proportional to 1,359,590,999.40, 2,039,386,499.10 and 440,127,210.60 is: 660,190,815.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,359,590,999.40 : 2,039,386,499.10 = 440,127,210.60 : x
  2. Step 2: Convert to fraction form
    1,359,590,999.40/2,039,386,499.10 = 440,127,210.60/x
  3. Step 3: Cross multiply
    1,359,590,999.40x = 2,039,386,499.10 × 440,127,210.60
  4. Step 4: Simplify right side
    1,359,590,999.40x = 897,589,491,184,182,400
  5. Step 5: Solve for x
    x = 897,589,491,184,182,400/1,359,590,999.40
  6. Step 6: Final answer
    x = 660,190,815.90

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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.