Home / 358,574,886.02-494,828,312.73-199,811,700.56

Finding the Fourth Proportional to 358,574,886.02, 494,828,312.73 and 199,811,700.56

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Solution

The fourth proportional to 358,574,886.02, 494,828,312.73 and 199,811,700.56 is: 275,737,343.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,574,886.02 : 494,828,312.73 = 199,811,700.56 : x
  2. Step 2: Convert to fraction form
    358,574,886.02/494,828,312.73 = 199,811,700.56/x
  3. Step 3: Cross multiply
    358,574,886.02x = 494,828,312.73 × 199,811,700.56
  4. Step 4: Simplify right side
    358,574,886.02x = 98,872,486,649,342,656
  5. Step 5: Solve for x
    x = 98,872,486,649,342,656/358,574,886.02
  6. Step 6: Final answer
    x = 275,737,343.87

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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.