Home / 1,280,562,227.62-1,767,039,825.54-708,254,336.50

Finding the Fourth Proportional to 1,280,562,227.62, 1,767,039,825.54 and 708,254,336.50

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Solution

The fourth proportional to 1,280,562,227.62, 1,767,039,825.54 and 708,254,336.50 is: 977,315,738.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,280,562,227.62 : 1,767,039,825.54 = 708,254,336.50 : x
  2. Step 2: Convert to fraction form
    1,280,562,227.62/1,767,039,825.54 = 708,254,336.50/x
  3. Step 3: Cross multiply
    1,280,562,227.62x = 1,767,039,825.54 × 708,254,336.50
  4. Step 4: Simplify right side
    1,280,562,227.62x = 1,251,513,619,201,215,744
  5. Step 5: Solve for x
    x = 1,251,513,619,201,215,744/1,280,562,227.62
  6. Step 6: Final answer
    x = 977,315,738.52

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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.