Home / 723,096,051,271.65-997,872,713,634.51-397,935,343,083.82

Finding the Fourth Proportional to 723,096,051,271.65, 997,872,713,634.51 and 397,935,343,083.82

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Solution

The fourth proportional to 723,096,051,271.65, 997,872,713,634.51 and 397,935,343,083.82 is: 549,150,863,091.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    723,096,051,271.65 : 997,872,713,634.51 = 397,935,343,083.82 : x
  2. Step 2: Convert to fraction form
    723,096,051,271.65/997,872,713,634.51 = 397,935,343,083.82/x
  3. Step 3: Cross multiply
    723,096,051,271.65x = 997,872,713,634.51 × 397,935,343,083.82
  4. Step 4: Simplify right side
    723,096,051,271.65x = 397,088,820,654,131,231,326,208
  5. Step 5: Solve for x
    x = 397,088,820,654,131,231,326,208/723,096,051,271.65
  6. Step 6: Final answer
    x = 549,150,863,091.85

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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.