Home / 315,033,563,576.88-434,746,338,986.16-172,462,823,624.88

Finding the Fourth Proportional to 315,033,563,576.88, 434,746,338,986.16 and 172,462,823,624.88

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Solution

The fourth proportional to 315,033,563,576.88, 434,746,338,986.16 and 172,462,823,624.88 is: 237,998,708,235.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,033,563,576.88 : 434,746,338,986.16 = 172,462,823,624.88 : x
  2. Step 2: Convert to fraction form
    315,033,563,576.88/434,746,338,986.16 = 172,462,823,624.88/x
  3. Step 3: Cross multiply
    315,033,563,576.88x = 434,746,338,986.16 × 172,462,823,624.88
  4. Step 4: Simplify right side
    315,033,563,576.88x = 74,977,581,182,132,401,733,632
  5. Step 5: Solve for x
    x = 74,977,581,182,132,401,733,632/315,033,563,576.88
  6. Step 6: Final answer
    x = 237,998,708,235.53

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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.