Home / 1,780,958,206.58-2,457,725,216.36-988,004,206.22

Finding the Fourth Proportional to 1,780,958,206.58, 2,457,725,216.36 and 988,004,206.22

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Solution

The fourth proportional to 1,780,958,206.58, 2,457,725,216.36 and 988,004,206.22 is: 1,363,447,408.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,780,958,206.58 : 2,457,725,216.36 = 988,004,206.22 : x
  2. Step 2: Convert to fraction form
    1,780,958,206.58/2,457,725,216.36 = 988,004,206.22/x
  3. Step 3: Cross multiply
    1,780,958,206.58x = 2,457,725,216.36 × 988,004,206.22
  4. Step 4: Simplify right side
    1,780,958,206.58x = 2,428,242,851,479,411,200
  5. Step 5: Solve for x
    x = 2,428,242,851,479,411,200/1,780,958,206.58
  6. Step 6: Final answer
    x = 1,363,447,408.54

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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.