Home / 399,113,465.10-598,670,197.65-217,714,937.10

Finding the Fourth Proportional to 399,113,465.10, 598,670,197.65 and 217,714,937.10

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Solution

The fourth proportional to 399,113,465.10, 598,670,197.65 and 217,714,937.10 is: 326,572,405.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    399,113,465.10 : 598,670,197.65 = 217,714,937.10 : x
  2. Step 2: Convert to fraction form
    399,113,465.10/598,670,197.65 = 217,714,937.10/x
  3. Step 3: Cross multiply
    399,113,465.10x = 598,670,197.65 × 217,714,937.10
  4. Step 4: Simplify right side
    399,113,465.10x = 130,339,444,425,014,304
  5. Step 5: Solve for x
    x = 130,339,444,425,014,304/399,113,465.10
  6. Step 6: Final answer
    x = 326,572,405.65

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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.