Home / 1,513,303,776.90-2,269,955,665.35-929,143,829.70

Finding the Fourth Proportional to 1,513,303,776.90, 2,269,955,665.35 and 929,143,829.70

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Solution

The fourth proportional to 1,513,303,776.90, 2,269,955,665.35 and 929,143,829.70 is: 1,393,715,744.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,513,303,776.90 : 2,269,955,665.35 = 929,143,829.70 : x
  2. Step 2: Convert to fraction form
    1,513,303,776.90/2,269,955,665.35 = 929,143,829.70/x
  3. Step 3: Cross multiply
    1,513,303,776.90x = 2,269,955,665.35 × 929,143,829.70
  4. Step 4: Simplify right side
    1,513,303,776.90x = 2,109,115,300,152,510,720
  5. Step 5: Solve for x
    x = 2,109,115,300,152,510,720/1,513,303,776.90
  6. Step 6: Final answer
    x = 1,393,715,744.55

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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.