Home / 1,262,216,698.88-1,742,032,080.96-726,357,351.20

Finding the Fourth Proportional to 1,262,216,698.88, 1,742,032,080.96 and 726,357,351.20

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Solution

The fourth proportional to 1,262,216,698.88, 1,742,032,080.96 and 726,357,351.20 is: 1,002,472,720.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,262,216,698.88 : 1,742,032,080.96 = 726,357,351.20 : x
  2. Step 2: Convert to fraction form
    1,262,216,698.88/1,742,032,080.96 = 726,357,351.20/x
  3. Step 3: Cross multiply
    1,262,216,698.88x = 1,742,032,080.96 × 726,357,351.20
  4. Step 4: Simplify right side
    1,262,216,698.88x = 1,265,337,808,031,529,728
  5. Step 5: Solve for x
    x = 1,265,337,808,031,529,728/1,262,216,698.88
  6. Step 6: Final answer
    x = 1,002,472,720.54

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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.