Home / 1,924,962,040.80-2,887,443,061.20-470,939,464.80

Finding the Fourth Proportional to 1,924,962,040.80, 2,887,443,061.20 and 470,939,464.80

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Solution

The fourth proportional to 1,924,962,040.80, 2,887,443,061.20 and 470,939,464.80 is: 706,409,197.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,924,962,040.80 : 2,887,443,061.20 = 470,939,464.80 : x
  2. Step 2: Convert to fraction form
    1,924,962,040.80/2,887,443,061.20 = 470,939,464.80/x
  3. Step 3: Cross multiply
    1,924,962,040.80x = 2,887,443,061.20 × 470,939,464.80
  4. Step 4: Simplify right side
    1,924,962,040.80x = 1,359,810,889,882,001,664
  5. Step 5: Solve for x
    x = 1,359,810,889,882,001,664/1,924,962,040.80
  6. Step 6: Final answer
    x = 706,409,197.20

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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.