Home / 1,455,448,558.80-2,183,172,838.20-680,607,580.80

Finding the Fourth Proportional to 1,455,448,558.80, 2,183,172,838.20 and 680,607,580.80

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Solution

The fourth proportional to 1,455,448,558.80, 2,183,172,838.20 and 680,607,580.80 is: 1,020,911,371.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,455,448,558.80 : 2,183,172,838.20 = 680,607,580.80 : x
  2. Step 2: Convert to fraction form
    1,455,448,558.80/2,183,172,838.20 = 680,607,580.80/x
  3. Step 3: Cross multiply
    1,455,448,558.80x = 2,183,172,838.20 × 680,607,580.80
  4. Step 4: Simplify right side
    1,455,448,558.80x = 1,485,883,983,875,571,712
  5. Step 5: Solve for x
    x = 1,485,883,983,875,571,712/1,455,448,558.80
  6. Step 6: Final answer
    x = 1,020,911,371.20

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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.