Home / 661,723,573.40-992,585,360.10-170,435,893.40

Finding the Fourth Proportional to 661,723,573.40, 992,585,360.10 and 170,435,893.40

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Solution

The fourth proportional to 661,723,573.40, 992,585,360.10 and 170,435,893.40 is: 255,653,840.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    661,723,573.40 : 992,585,360.10 = 170,435,893.40 : x
  2. Step 2: Convert to fraction form
    661,723,573.40/992,585,360.10 = 170,435,893.40/x
  3. Step 3: Cross multiply
    661,723,573.40x = 992,585,360.10 × 170,435,893.40
  4. Step 4: Simplify right side
    661,723,573.40x = 169,172,172,624,404,224
  5. Step 5: Solve for x
    x = 169,172,172,624,404,224/661,723,573.40
  6. Step 6: Final answer
    x = 255,653,840.10

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Similar ratio
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1.5x scale

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.