Home / 605,073,051.40-907,609,577.10-440,538,917.80

Finding the Fourth Proportional to 605,073,051.40, 907,609,577.10 and 440,538,917.80

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Solution

The fourth proportional to 605,073,051.40, 907,609,577.10 and 440,538,917.80 is: 660,808,376.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,073,051.40 : 907,609,577.10 = 440,538,917.80 : x
  2. Step 2: Convert to fraction form
    605,073,051.40/907,609,577.10 = 440,538,917.80/x
  3. Step 3: Cross multiply
    605,073,051.40x = 907,609,577.10 × 440,538,917.80
  4. Step 4: Simplify right side
    605,073,051.40x = 399,837,340,880,549,696
  5. Step 5: Solve for x
    x = 399,837,340,880,549,696/605,073,051.40
  6. Step 6: Final answer
    x = 660,808,376.70

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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.