Home / 1,345,377,023.20-2,018,065,534.80-619,782,911.20

Finding the Fourth Proportional to 1,345,377,023.20, 2,018,065,534.80 and 619,782,911.20

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Solution

The fourth proportional to 1,345,377,023.20, 2,018,065,534.80 and 619,782,911.20 is: 929,674,366.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,345,377,023.20 : 2,018,065,534.80 = 619,782,911.20 : x
  2. Step 2: Convert to fraction form
    1,345,377,023.20/2,018,065,534.80 = 619,782,911.20/x
  3. Step 3: Cross multiply
    1,345,377,023.20x = 2,018,065,534.80 × 619,782,911.20
  4. Step 4: Simplify right side
    1,345,377,023.20x = 1,250,762,532,150,728,960
  5. Step 5: Solve for x
    x = 1,250,762,532,150,728,960/1,345,377,023.20
  6. Step 6: Final answer
    x = 929,674,366.80

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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.