Home / 661,746,801.40-992,620,202.10-177,072,609.40

Finding the Fourth Proportional to 661,746,801.40, 992,620,202.10 and 177,072,609.40

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Solution

The fourth proportional to 661,746,801.40, 992,620,202.10 and 177,072,609.40 is: 265,608,914.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    661,746,801.40 : 992,620,202.10 = 177,072,609.40 : x
  2. Step 2: Convert to fraction form
    661,746,801.40/992,620,202.10 = 177,072,609.40/x
  3. Step 3: Cross multiply
    661,746,801.40x = 992,620,202.10 × 177,072,609.40
  4. Step 4: Simplify right side
    661,746,801.40x = 175,765,849,329,002,368
  5. Step 5: Solve for x
    x = 175,765,849,329,002,368/661,746,801.40
  6. Step 6: Final answer
    x = 265,608,914.10

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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.