Home / 649,172,643.48-895,954,399.02-411,039,961.56

Finding the Fourth Proportional to 649,172,643.48, 895,954,399.02 and 411,039,961.56

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Solution

The fourth proportional to 649,172,643.48, 895,954,399.02 and 411,039,961.56 is: 567,296,027.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,172,643.48 : 895,954,399.02 = 411,039,961.56 : x
  2. Step 2: Convert to fraction form
    649,172,643.48/895,954,399.02 = 411,039,961.56/x
  3. Step 3: Cross multiply
    649,172,643.48x = 895,954,399.02 × 411,039,961.56
  4. Step 4: Simplify right side
    649,172,643.48x = 368,273,061,732,693,696
  5. Step 5: Solve for x
    x = 368,273,061,732,693,696/649,172,643.48
  6. Step 6: Final answer
    x = 567,296,027.38

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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.