Home / 1,353,975,272.16-2,030,978,544.88-408,581,549.72

Finding the Fourth Proportional to 1,353,975,272.16, 2,030,978,544.88 and 408,581,549.72

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Solution

The fourth proportional to 1,353,975,272.16, 2,030,978,544.88 and 408,581,549.72 is: 612,877,043.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,353,975,272.16 : 2,030,978,544.88 = 408,581,549.72 : x
  2. Step 2: Convert to fraction form
    1,353,975,272.16/2,030,978,544.88 = 408,581,549.72/x
  3. Step 3: Cross multiply
    1,353,975,272.16x = 2,030,978,544.88 × 408,581,549.72
  4. Step 4: Simplify right side
    1,353,975,272.16x = 829,820,361,315,141,120
  5. Step 5: Solve for x
    x = 829,820,361,315,141,120/1,353,975,272.16
  6. Step 6: Final answer
    x = 612,877,043.16

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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.