Home / 764,945,616.70-1,144,773,029.85-458,457,687.10

Finding the Fourth Proportional to 764,945,616.70, 1,144,773,029.85 and 458,457,687.10

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Solution

The fourth proportional to 764,945,616.70, 1,144,773,029.85 and 458,457,687.10 is: 686,101,056.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    764,945,616.70 : 1,144,773,029.85 = 458,457,687.10 : x
  2. Step 2: Convert to fraction form
    764,945,616.70/1,144,773,029.85 = 458,457,687.10/x
  3. Step 3: Cross multiply
    764,945,616.70x = 1,144,773,029.85 × 458,457,687.10
  4. Step 4: Simplify right side
    764,945,616.70x = 524,829,995,519,490,240
  5. Step 5: Solve for x
    x = 524,829,995,519,490,240/764,945,616.70
  6. Step 6: Final answer
    x = 686,101,056.16

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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.