Home / 7,864,535,679.23-10,855,645,643.90-6,259,934,028.30

Finding the Fourth Proportional to 7,864,535,679.23, 10,855,645,643.90 and 6,259,934,028.30

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Solution

The fourth proportional to 7,864,535,679.23, 10,855,645,643.90 and 6,259,934,028.30 is: 8,640,767,660.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,864,535,679.23 : 10,855,645,643.90 = 6,259,934,028.30 : x
  2. Step 2: Convert to fraction form
    7,864,535,679.23/10,855,645,643.90 = 6,259,934,028.30/x
  3. Step 3: Cross multiply
    7,864,535,679.23x = 10,855,645,643.90 × 6,259,934,028.30
  4. Step 4: Simplify right side
    7,864,535,679.23x = 67,955,625,565,416,275,968
  5. Step 5: Solve for x
    x = 67,955,625,565,416,275,968/7,864,535,679.23
  6. Step 6: Final answer
    x = 8,640,767,660.94

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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.