Home / 1,513,303,767.90-2,269,955,651.85-929,143,820.70

Finding the Fourth Proportional to 1,513,303,767.90, 2,269,955,651.85 and 929,143,820.70

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Solution

The fourth proportional to 1,513,303,767.90, 2,269,955,651.85 and 929,143,820.70 is: 1,393,715,731.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,513,303,767.90 : 2,269,955,651.85 = 929,143,820.70 : x
  2. Step 2: Convert to fraction form
    1,513,303,767.90/2,269,955,651.85 = 929,143,820.70/x
  3. Step 3: Cross multiply
    1,513,303,767.90x = 2,269,955,651.85 × 929,143,820.70
  4. Step 4: Simplify right side
    1,513,303,767.90x = 2,109,115,267,179,468,032
  5. Step 5: Solve for x
    x = 2,109,115,267,179,468,032/1,513,303,767.90
  6. Step 6: Final answer
    x = 1,393,715,731.05

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Double scale
Find fourth proportional to 1,513,303,768.90, 2,269,955,653.35 and 929,143,821.70
Similar ratio
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1.5x scale

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.