Home / 661,746,680.40-992,620,020.60-177,072,488.40

Finding the Fourth Proportional to 661,746,680.40, 992,620,020.60 and 177,072,488.40

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Solution

The fourth proportional to 661,746,680.40, 992,620,020.60 and 177,072,488.40 is: 265,608,732.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    661,746,680.40 : 992,620,020.60 = 177,072,488.40 : x
  2. Step 2: Convert to fraction form
    661,746,680.40/992,620,020.60 = 177,072,488.40/x
  3. Step 3: Cross multiply
    661,746,680.40x = 992,620,020.60 × 177,072,488.40
  4. Step 4: Simplify right side
    661,746,680.40x = 175,765,697,083,301,280
  5. Step 5: Solve for x
    x = 175,765,697,083,301,280/661,746,680.40
  6. Step 6: Final answer
    x = 265,608,732.60

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Similar ratio
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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.