Home / 661,746,522.40-992,619,783.60-177,072,330.40

Finding the Fourth Proportional to 661,746,522.40, 992,619,783.60 and 177,072,330.40

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Solution

The fourth proportional to 661,746,522.40, 992,619,783.60 and 177,072,330.40 is: 265,608,495.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    661,746,522.40 : 992,619,783.60 = 177,072,330.40 : x
  2. Step 2: Convert to fraction form
    661,746,522.40/992,619,783.60 = 177,072,330.40/x
  3. Step 3: Cross multiply
    661,746,522.40x = 992,619,783.60 × 177,072,330.40
  4. Step 4: Simplify right side
    661,746,522.40x = 175,765,498,283,195,712
  5. Step 5: Solve for x
    x = 175,765,498,283,195,712/661,746,522.40
  6. Step 6: Final answer
    x = 265,608,495.60

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Half scale
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Double scale
Find fourth proportional to 661,746,523.40, 992,619,785.10 and 177,072,331.40
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.