Home / 401,120,616.58-553,495,312.46-233,815,018.16

Finding the Fourth Proportional to 401,120,616.58, 553,495,312.46 and 233,815,018.16

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Solution

The fourth proportional to 401,120,616.58, 553,495,312.46 and 233,815,018.16 is: 322,634,916.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,120,616.58 : 553,495,312.46 = 233,815,018.16 : x
  2. Step 2: Convert to fraction form
    401,120,616.58/553,495,312.46 = 233,815,018.16/x
  3. Step 3: Cross multiply
    401,120,616.58x = 553,495,312.46 × 233,815,018.16
  4. Step 4: Simplify right side
    401,120,616.58x = 129,415,516,536,278,048
  5. Step 5: Solve for x
    x = 129,415,516,536,278,048/401,120,616.58
  6. Step 6: Final answer
    x = 322,634,916.25

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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.