Home / 495,315,589.15-683,494,883.53-291,598,609.51

Finding the Fourth Proportional to 495,315,589.15, 683,494,883.53 and 291,598,609.51

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Solution

The fourth proportional to 495,315,589.15, 683,494,883.53 and 291,598,609.51 is: 402,382,162.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,315,589.15 : 683,494,883.53 = 291,598,609.51 : x
  2. Step 2: Convert to fraction form
    495,315,589.15/683,494,883.53 = 291,598,609.51/x
  3. Step 3: Cross multiply
    495,315,589.15x = 683,494,883.53 × 291,598,609.51
  4. Step 4: Simplify right side
    495,315,589.15x = 199,306,157,644,547,392
  5. Step 5: Solve for x
    x = 199,306,157,644,547,392/495,315,589.15
  6. Step 6: Final answer
    x = 402,382,162.02

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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.