Home / 1,428,885,267.53-2,142,945,263.70-393,500,024.87

Finding the Fourth Proportional to 1,428,885,267.53, 2,142,945,263.70 and 393,500,024.87

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Solution

The fourth proportional to 1,428,885,267.53, 2,142,945,263.70 and 393,500,024.87 is: 590,144,662.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,428,885,267.53 : 2,142,945,263.70 = 393,500,024.87 : x
  2. Step 2: Convert to fraction form
    1,428,885,267.53/2,142,945,263.70 = 393,500,024.87/x
  3. Step 3: Cross multiply
    1,428,885,267.53x = 2,142,945,263.70 × 393,500,024.87
  4. Step 4: Simplify right side
    1,428,885,267.53x = 843,249,014,550,284,032
  5. Step 5: Solve for x
    x = 843,249,014,550,284,032/1,428,885,267.53
  6. Step 6: Final answer
    x = 590,144,662.92

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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.