Home / 8,119,086,705.48-12,178,683,867.06-3,145,360,945.08

Finding the Fourth Proportional to 8,119,086,705.48, 12,178,683,867.06 and 3,145,360,945.08

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Solution

The fourth proportional to 8,119,086,705.48, 12,178,683,867.06 and 3,145,360,945.08 is: 4,718,062,263.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,119,086,705.48 : 12,178,683,867.06 = 3,145,360,945.08 : x
  2. Step 2: Convert to fraction form
    8,119,086,705.48/12,178,683,867.06 = 3,145,360,945.08/x
  3. Step 3: Cross multiply
    8,119,086,705.48x = 12,178,683,867.06 × 3,145,360,945.08
  4. Step 4: Simplify right side
    8,119,086,705.48x = 38,306,356,597,926,387,712
  5. Step 5: Solve for x
    x = 38,306,356,597,926,387,712/8,119,086,705.48
  6. Step 6: Final answer
    x = 4,718,062,263.34

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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.