Home / 1,203,312,710.52-1,660,174,598.04-726,825,039.12

Finding the Fourth Proportional to 1,203,312,710.52, 1,660,174,598.04 and 726,825,039.12

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Solution

The fourth proportional to 1,203,312,710.52, 1,660,174,598.04 and 726,825,039.12 is: 1,002,778,792.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,203,312,710.52 : 1,660,174,598.04 = 726,825,039.12 : x
  2. Step 2: Convert to fraction form
    1,203,312,710.52/1,660,174,598.04 = 726,825,039.12/x
  3. Step 3: Cross multiply
    1,203,312,710.52x = 1,660,174,598.04 × 726,825,039.12
  4. Step 4: Simplify right side
    1,203,312,710.52x = 1,206,656,467,166,453,248
  5. Step 5: Solve for x
    x = 1,206,656,467,166,453,248/1,203,312,710.52
  6. Step 6: Final answer
    x = 1,002,778,792.76

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.