Home / 497,865,623.40-746,798,435.10-210,613,962.60

Finding the Fourth Proportional to 497,865,623.40, 746,798,435.10 and 210,613,962.60

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Solution

The fourth proportional to 497,865,623.40, 746,798,435.10 and 210,613,962.60 is: 315,920,943.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,865,623.40 : 746,798,435.10 = 210,613,962.60 : x
  2. Step 2: Convert to fraction form
    497,865,623.40/746,798,435.10 = 210,613,962.60/x
  3. Step 3: Cross multiply
    497,865,623.40x = 746,798,435.10 × 210,613,962.60
  4. Step 4: Simplify right side
    497,865,623.40x = 157,286,177,679,889,920
  5. Step 5: Solve for x
    x = 157,286,177,679,889,920/497,865,623.40
  6. Step 6: Final answer
    x = 315,920,943.90

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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.