Home / 10,094,756,709.72-15,128,599,924.56-7,856,506,771.80

Finding the Fourth Proportional to 10,094,756,709.72, 15,128,599,924.56 and 7,856,506,771.80

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Solution

The fourth proportional to 10,094,756,709.72, 15,128,599,924.56 and 7,856,506,771.80 is: 11,774,226,083.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,094,756,709.72 : 15,128,599,924.56 = 7,856,506,771.80 : x
  2. Step 2: Convert to fraction form
    10,094,756,709.72/15,128,599,924.56 = 7,856,506,771.80/x
  3. Step 3: Cross multiply
    10,094,756,709.72x = 15,128,599,924.56 × 7,856,506,771.80
  4. Step 4: Simplify right side
    10,094,756,709.72x = 118,857,947,755,126,194,176
  5. Step 5: Solve for x
    x = 118,857,947,755,126,194,176/10,094,756,709.72
  6. Step 6: Final answer
    x = 11,774,226,083.19

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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.