Home / 390,678,171,858-539,150,427,258.48-234,273,827,962.64

Finding the Fourth Proportional to 390,678,171,858, 539,150,427,258.48 and 234,273,827,962.64

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Solution

The fourth proportional to 390,678,171,858, 539,150,427,258.48 and 234,273,827,962.64 is: 323,306,607,688.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    390,678,171,858 : 539,150,427,258.48 = 234,273,827,962.64 : x
  2. Step 2: Convert to fraction form
    390,678,171,858/539,150,427,258.48 = 234,273,827,962.64/x
  3. Step 3: Cross multiply
    390,678,171,858x = 539,150,427,258.48 × 234,273,827,962.64
  4. Step 4: Simplify right side
    390,678,171,858x = 126,308,834,441,537,003,716,608
  5. Step 5: Solve for x
    x = 126,308,834,441,537,003,716,608/390,678,171,858
  6. Step 6: Final answer
    x = 323,306,607,688.97

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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.