Home / 817,696,535.60-1,226,544,803.40-491,179,185.20

Finding the Fourth Proportional to 817,696,535.60, 1,226,544,803.40 and 491,179,185.20

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Solution

The fourth proportional to 817,696,535.60, 1,226,544,803.40 and 491,179,185.20 is: 736,768,777.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    817,696,535.60 : 1,226,544,803.40 = 491,179,185.20 : x
  2. Step 2: Convert to fraction form
    817,696,535.60/1,226,544,803.40 = 491,179,185.20/x
  3. Step 3: Cross multiply
    817,696,535.60x = 1,226,544,803.40 × 491,179,185.20
  4. Step 4: Simplify right side
    817,696,535.60x = 602,453,277,145,306,240
  5. Step 5: Solve for x
    x = 602,453,277,145,306,240/817,696,535.60
  6. Step 6: Final answer
    x = 736,768,777.80

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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.