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Finding the Fourth Proportional to 423,689,564.64, 584,952,454.08 and 335,938,026.72

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Solution

The fourth proportional to 423,689,564.64, 584,952,454.08 and 335,938,026.72 is: 463,801,305.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,689,564.64 : 584,952,454.08 = 335,938,026.72 : x
  2. Step 2: Convert to fraction form
    423,689,564.64/584,952,454.08 = 335,938,026.72/x
  3. Step 3: Cross multiply
    423,689,564.64x = 584,952,454.08 × 335,938,026.72
  4. Step 4: Simplify right side
    423,689,564.64x = 196,507,773,148,656,640
  5. Step 5: Solve for x
    x = 196,507,773,148,656,640/423,689,564.64
  6. Step 6: Final answer
    x = 463,801,305.36

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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.