Home / 151,578,882,829.16-209,170,571,213.38-82,977,024,838.76

Finding the Fourth Proportional to 151,578,882,829.16, 209,170,571,213.38 and 82,977,024,838.76

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Solution

The fourth proportional to 151,578,882,829.16, 209,170,571,213.38 and 82,977,024,838.76 is: 114,503,757,773.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,578,882,829.16 : 209,170,571,213.38 = 82,977,024,838.76 : x
  2. Step 2: Convert to fraction form
    151,578,882,829.16/209,170,571,213.38 = 82,977,024,838.76/x
  3. Step 3: Cross multiply
    151,578,882,829.16x = 209,170,571,213.38 × 82,977,024,838.76
  4. Step 4: Simplify right side
    151,578,882,829.16x = 17,356,351,683,110,249,693,184
  5. Step 5: Solve for x
    x = 17,356,351,683,110,249,693,184/151,578,882,829.16
  6. Step 6: Final answer
    x = 114,503,757,773.91

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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.