Home / 1,131,116,149.04-1,696,657,150.32-508,891,986.60

Finding the Fourth Proportional to 1,131,116,149.04, 1,696,657,150.32 and 508,891,986.60

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Solution

The fourth proportional to 1,131,116,149.04, 1,696,657,150.32 and 508,891,986.60 is: 763,330,298.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,131,116,149.04 : 1,696,657,150.32 = 508,891,986.60 : x
  2. Step 2: Convert to fraction form
    1,131,116,149.04/1,696,657,150.32 = 508,891,986.60/x
  3. Step 3: Cross multiply
    1,131,116,149.04x = 1,696,657,150.32 × 508,891,986.60
  4. Step 4: Simplify right side
    1,131,116,149.04x = 863,415,227,805,439,616
  5. Step 5: Solve for x
    x = 863,415,227,805,439,616/1,131,116,149.04
  6. Step 6: Final answer
    x = 763,330,298.61

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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.