Home / 391,140,738,035.78-586,711,107,053.67-391,140,738,035.78

Finding the Fourth Proportional to 391,140,738,035.78, 586,711,107,053.67 and 391,140,738,035.78

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Solution

The fourth proportional to 391,140,738,035.78, 586,711,107,053.67 and 391,140,738,035.78 is: 586,711,107,053.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    391,140,738,035.78 : 586,711,107,053.67 = 391,140,738,035.78 : x
  2. Step 2: Convert to fraction form
    391,140,738,035.78/586,711,107,053.67 = 391,140,738,035.78/x
  3. Step 3: Cross multiply
    391,140,738,035.78x = 586,711,107,053.67 × 391,140,738,035.78
  4. Step 4: Simplify right side
    391,140,738,035.78x = 229,486,615,426,762,046,177,280
  5. Step 5: Solve for x
    x = 229,486,615,426,762,046,177,280/391,140,738,035.78
  6. Step 6: Final answer
    x = 586,711,107,053.67

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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.