Home / 605,073,004.40-907,609,506.60-440,538,870.80

Finding the Fourth Proportional to 605,073,004.40, 907,609,506.60 and 440,538,870.80

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Solution

The fourth proportional to 605,073,004.40, 907,609,506.60 and 440,538,870.80 is: 660,808,306.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,073,004.40 : 907,609,506.60 = 440,538,870.80 : x
  2. Step 2: Convert to fraction form
    605,073,004.40/907,609,506.60 = 440,538,870.80/x
  3. Step 3: Cross multiply
    605,073,004.40x = 907,609,506.60 × 440,538,870.80
  4. Step 4: Simplify right side
    605,073,004.40x = 399,837,267,164,909,184
  5. Step 5: Solve for x
    x = 399,837,267,164,909,184/605,073,004.40
  6. Step 6: Final answer
    x = 660,808,306.20

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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.