Home / 401,215,407.76-601,966,466.16-243,968,346.28

Finding the Fourth Proportional to 401,215,407.76, 601,966,466.16 and 243,968,346.28

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Solution

The fourth proportional to 401,215,407.76, 601,966,466.16 and 243,968,346.28 is: 366,039,689.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,215,407.76 : 601,966,466.16 = 243,968,346.28 : x
  2. Step 2: Convert to fraction form
    401,215,407.76/601,966,466.16 = 243,968,346.28/x
  3. Step 3: Cross multiply
    401,215,407.76x = 601,966,466.16 × 243,968,346.28
  4. Step 4: Simplify right side
    401,215,407.76x = 146,860,763,265,070,784
  5. Step 5: Solve for x
    x = 146,860,763,265,070,784/401,215,407.76
  6. Step 6: Final answer
    x = 366,039,689.47

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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.