Home / 902,400,799.69-1,243,874,222.41-711,350,258.09

Finding the Fourth Proportional to 902,400,799.69, 1,243,874,222.41 and 711,350,258.09

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Solution

The fourth proportional to 902,400,799.69, 1,243,874,222.41 and 711,350,258.09 is: 980,529,105.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    902,400,799.69 : 1,243,874,222.41 = 711,350,258.09 : x
  2. Step 2: Convert to fraction form
    902,400,799.69/1,243,874,222.41 = 711,350,258.09/x
  3. Step 3: Cross multiply
    902,400,799.69x = 1,243,874,222.41 × 711,350,258.09
  4. Step 4: Simplify right side
    902,400,799.69x = 884,830,249,142,851,712
  5. Step 5: Solve for x
    x = 884,830,249,142,851,712/902,400,799.69
  6. Step 6: Final answer
    x = 980,529,105.74

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Double scale
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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.