Home / 284,022,045,749.04-391,950,634,448.97-153,811,911,097.67

Finding the Fourth Proportional to 284,022,045,749.04, 391,950,634,448.97 and 153,811,911,097.67

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Solution

The fourth proportional to 284,022,045,749.04, 391,950,634,448.97 and 153,811,911,097.67 is: 212,260,551,752.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,022,045,749.04 : 391,950,634,448.97 = 153,811,911,097.67 : x
  2. Step 2: Convert to fraction form
    284,022,045,749.04/391,950,634,448.97 = 153,811,911,097.67/x
  3. Step 3: Cross multiply
    284,022,045,749.04x = 391,950,634,448.97 × 153,811,911,097.67
  4. Step 4: Simplify right side
    284,022,045,749.04x = 60,286,676,140,540,324,478,976
  5. Step 5: Solve for x
    x = 60,286,676,140,540,324,478,976/284,022,045,749.04
  6. Step 6: Final answer
    x = 212,260,551,752.41

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Double scale
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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.