Home / 290,382,068.10-435,573,102.15-267,423,816.90

Finding the Fourth Proportional to 290,382,068.10, 435,573,102.15 and 267,423,816.90

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Solution

The fourth proportional to 290,382,068.10, 435,573,102.15 and 267,423,816.90 is: 401,135,725.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,382,068.10 : 435,573,102.15 = 267,423,816.90 : x
  2. Step 2: Convert to fraction form
    290,382,068.10/435,573,102.15 = 267,423,816.90/x
  3. Step 3: Cross multiply
    290,382,068.10x = 435,573,102.15 × 267,423,816.90
  4. Step 4: Simplify right side
    290,382,068.10x = 116,482,621,515,926,592
  5. Step 5: Solve for x
    x = 116,482,621,515,926,592/290,382,068.10
  6. Step 6: Final answer
    x = 401,135,725.35

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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.