Home / 856,758,603.15-1,285,299,206.91-610,504,344.14

Finding the Fourth Proportional to 856,758,603.15, 1,285,299,206.91 and 610,504,344.14

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Solution

The fourth proportional to 856,758,603.15, 1,285,299,206.91 and 610,504,344.14 is: 915,871,456.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    856,758,603.15 : 1,285,299,206.91 = 610,504,344.14 : x
  2. Step 2: Convert to fraction form
    856,758,603.15/1,285,299,206.91 = 610,504,344.14/x
  3. Step 3: Cross multiply
    856,758,603.15x = 1,285,299,206.91 × 610,504,344.14
  4. Step 4: Simplify right side
    856,758,603.15x = 784,680,749,331,825,280
  5. Step 5: Solve for x
    x = 784,680,749,331,825,280/856,758,603.15
  6. Step 6: Final answer
    x = 915,871,456.03

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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.