Home / 1,513,303,753.65-2,269,955,630.48-929,143,806.45

Finding the Fourth Proportional to 1,513,303,753.65, 2,269,955,630.48 and 929,143,806.45

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Solution

The fourth proportional to 1,513,303,753.65, 2,269,955,630.48 and 929,143,806.45 is: 1,393,715,709.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,513,303,753.65 : 2,269,955,630.48 = 929,143,806.45 : x
  2. Step 2: Convert to fraction form
    1,513,303,753.65/2,269,955,630.48 = 929,143,806.45/x
  3. Step 3: Cross multiply
    1,513,303,753.65x = 2,269,955,630.48 × 929,143,806.45
  4. Step 4: Simplify right side
    1,513,303,753.65x = 2,109,115,214,972,151,040
  5. Step 5: Solve for x
    x = 2,109,115,214,972,151,040/1,513,303,753.65
  6. Step 6: Final answer
    x = 1,393,715,709.68

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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.